EMERSON PACSystems VersaMax MICRO PLC & NANO PLC. USER MANUAL (2019)

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Chapter 8:

VersaMax 64-Point Micro/Micro
PLUS PLCs

This chapter describes the features, specifications, and field wiring for 64-Point VersaMax
Micro and VersaMax Micro PLUS PLCs.

IC200UDD064 64 Point Micro PLC, (40) 24Vdc In, (24) 24Vdc Out (Source), 24Vdc Power Supply

IC200UDD164  64 Point Micro PLC, (40) 24Vdc In, (24) 24Vdc Out (Sink), 24Vdc Power Supply
IC200UDR064  64 Point Micro PLC, (40) 24Vdc In, (24) Relay Out, 24Vdc Power Supply
IC200UDR164  64 Point Micro PLC, (40) 24Vdc In, (24) Relay Out, 120/240Vac Power Supply

Note:

Firmware releases 4.00 and later require a Micro PLUS CPU, which has enhanced memory.
Firmware versions 4.00 cannot be used with the earlier hardware versions.

•

Micro and Micro PLUS PLCs support the same user logic memory size.

•

The specifications given in this chapter for Micro PLCs also apply to Micro PLUS PLCs.

8.1

Features of VersaMax 64-Point Micro PLCs

Figure 51

•

Supports up to four Expansion Units in any combination.

•

Removable screw-down

“

barrier-style

”

terminal strips with protective covers.

•

Built-in serial communications port supports SNP/ SNPX master and slave, Modbus
RTU master and slave, and Serial I/O.

•

Removable Memory Pack Module available.

•

Optional Port 2.

•

Run/Stop mode switch that can be configured as a run/stop switch, a memory
protect switch, and also used for clearing faults when a fatal fault exists.

•

Resettable calendar clock.

•

Full-featured programming Instruction Set with floating point math. The application
program can be either Ladder Diagram (LD) or Instruction List (IL) format.

•

24K words of program memory, 32K words of registers.

•

Flash memory (ROM) for non-volatile program storage and for system firmware.

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•

Configurable to read configuration and application program at power-up from
either RAM or flash memory (ROM).

•

Capacitor backs up RAM and the Time-of-Day clock for at least 30 minutes at 25
degrees C

•

Optional lithium battery backup for RAM and real-time clock.

•

Release 3.6 and later Micro-64 PLCs support enhanced High-Speed Counter / Pulse
Train commands for Jogging, Blending, and Homing, plus configurable 32-bit
Counters /PTO/ and 32-bit function blocks.

8.2

General Specifications of 64-Point VersaMax
Micro PLCs

Module Dimensions

Height: 90mm (3.6 inches), Depth: 76mm (3.0 inches)
Width: 195mm (7.68 inches)

Typical Scan Rate

1.7 ms/K for Boolean logic (see Appendix A:)

Real Time Clock accuracy (for Timer
contacts and Timer function blocks)

±0.5%

Time-of-Day Clock accuracy

±5 sec/day @10°C, ±5 sec/day @25°C, and
±11 sec/day @ 55°C or across full temperature range

Maximum number of slave devices per
RS-485 network

8 (can be increased with a repeater)

+24Vdc Output Power Supply
(for input circuits and user devices)

435mA maximum

+5Vdc output of Serial Ports

200mA per port, 400mA total for both ports, maximum

8.3

High-Speed Counters

VersaMax 64-Point Micro PLCs can be configured to provide built-in high-speed counter and
pulse operation. When configured for High-Speed Counter operation, inputs I1 to I8 can be
set up as:

•

Up to four Type A Counters or

•

One Type A and one Type B Counter or

•

Up to four Type A_32 Counters or

•

One Type A and one Type B_32 Counter

Each counter provides direct processing of rapid pulse signals up to 100kHz for industrial
control applications such as meter proving, turbine flow meter, velocity measurement,
material handling, motion control, and process control.

Each counter can be enabled independently. Type A counters can be configured for up or
down counting (default is up) and for positive or negative edge detection (default is
positive). The type B counter provides an A Quad B counting function.

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The DC output (Q1) can be configured as a counter, Pulse Train, Pulse Train with Ramp, or
PWM output. The relay outputs can be configured as up to four HSC outputs. Relay outputs
cannot be used as Pulse Train, Pulse Train with Ramp, or PWM outputs.

Figure 52

8.3.1

Run/Stop Switch

The Run/Stop switch can be configured as a run/stop switch, a memory protect switch, and
used for clearing faults when a fatal fault exists.

8.3.2

Ports

Port 1 is a built-in RS-232 serial port with an RJ-45 connector.

A second port can be added to a 64-Point Micro PLC using one of the port Option Modules
described in this section. If a second port is installed, both ports can be used for
programming. Only one port can be used at a time for programming, but both ports can be
used for monitoring at the same time.

Port 1 and the optional Port 2 are individually-configurable for SNP master/slave, RTU
master/slave, and Serial I/O protocols. Both 4-wire and 2-wire RTU are supported when the
RS-485 Port Option module is installed as port 2. Port 2 does not support hardware flow
control. When either port is being used for RTU slave, it automatically switches to SNP slave
mode when that port is being used by the programmer. If a port is configured for Serial I/O,
RTU Master, or SNP Master operation, that port defaults to SNP slave and automatically
reverts to SNP slave when the CPU is in Stop mode.

Either port can be software-configured to set up communications between the CPU and
various serial devices. An external device can obtain power from the port if it requires
200mA or less at 5Vdc.

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8.3.3

Analog Inputs

If an Option Module with analog inputs is installed as described in this section, the two
inputs can be used to adjust the values in analog registers %AI016 (input 1) and %AI017
(input 2). An example use for the analog inputs would be to set threshold values for use in
logical relationships with other inputs/outputs.

8.3.4

Removable Terminal Strips

The removable terminal assemblies are protected by hinged covers. After turning off power
to the Micro PLC, a terminal assembly and attached field wiring can be separated from the
Micro PLC by removing two screws.

8.3.5

Status LEDs

LEDs on the Micro PLC provide quick visual verification of operating status. In addition to
LEDs for Power, OK, and Run mode, there is an LED for each I/O point.

8.3.6

Backup Battery

The Micro PLC uses a large value capacitor to provide memory retention current to the
System/User RAM and the Time-of-Day clock when the power supply is either not present
or not powered up. The capacitor retains memory contents for at least 30 minutes.

To maintain memory for longer than this, a replaceable battery assembly can be installed in
the battery holder, as described in Chapter 15:. The Micro PLC reports the battery state to
the PLC Fault Table and also uses Status Bits %SA011 and %S0014 to indicate the battery
state.

8.4

IC200UDD064
64 Point Micro PLC, (40) 24Vdc In, (24) 24Vdc
Out (Source), 24Vdc Power Supply

VersaMax Micro PLC IC200UDD064 accepts forty DC inputs and provides twenty-four DC
outputs. It uses +24Vdc nominal input power for PLC operation.

8.4.1

DC Power

If configured to disable power-up diagnostics, the PLC begins logic solution 100ms after the
voltage level of the power supply input reaches and maintains  24Vdc. The 24Vdc power
source  for  the  PLC  must  have  enough  transient  current  capability  to  support  the  inrush
current  of  the  power  supply  and  to  maintain  a  24Vdc  voltage  level  (see  power  supply
specifications for inrush requirements).

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8.4.2

DC Inputs

The forty configurable DC inputs can be used as positive or negative logic standard inputs.
Eight of these inputs can be used for High-Speed Counter inputs. When used as standard
inputs, they are compatible with a wide range of input devices, such as pushbuttons, limit
switches, and electronic proximity switches.

The Micro PLC +24Vdc supply can be used for input devices and to power the DC input
circuits at about 8mA per input. The combination of input circuit current and external device
current must not exceed 435 mA.

8.4.3

Transistor Outputs

Outputs 1

–

4 can be used as standard, High-Speed Counter, Pulse-Width Modulated, Pulse

Train Outputs, or Pulse Train Outputs with Ramping. All standard outputs are source-type.
Outputs can be used to switch devices like valves, lamps or contactors.

Outputs 5

–

24 provide Electronic Short-Circuit Protection. No external fuses are required.

8.4.4

Micro PLC IC200UDD064 Specifications

Item

Description

Inputs

Forty 24Vdc positive or negative logic inputs

Outputs

Twenty-four transistor outputs, 24Vdc.

High-Speed Counters

Up to four Type A or one Type A and one Type B, or four Type
A_32, or
one Type A_32 and one Type B_32

DC Power Specifications

Range

19.2Vdc to 30Vdc

Hold-up

10mS at 19.2Vdc

Inrush Current

1 Amp maximum at 30Vdc

Inrush Time

10mS for 1 Amp

Input Current

0.20 Amp typical at 24Vdc

Input Power Supply Rating

DC Input Specifications

Rated Input Voltage

24 volts DC

Input Voltage Range

0 to 30 volts DC

Input Current at 24Vdc

I1,I3,I5,I7: 8mA typical, Others : 4.8 mA typical

Input Impedance

I1,I3,I5,I7 2.7 kΩ, Others: 4.7 kΩ

Input Threshold Voltage

ON: 18Vdc minimum, OFF: 5Vdc maximum

Input Threshold Current

I1, I3, I5, I7: ON 4.5mA maximum, OFF: 1.8mA minimum
Other Inputs: ON 3.3mA maximum, OFF: 1.6mA minimum

Response Time

1ms to 20ms configurable as regular input; 100µs as HSC input

Isolation Voltage

1500V RMS field side to logic side, 500V RMS between groups

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Item

Description

Output Specifications

Voltage Range

12Vdc/24Vdc

External Power Supply

12/24Vdc

–

10%, +20%

Maximum Load Current

0.5A per point (Q1

–

Q4) at 24Vdc at 100 % ON duration

0.7A per point (Q5

–

Q20) at 24Vdc at 100 % ON duration

1.0A per point (Q21

–

Q24) at 24Vdc at 100% ON duration

Minimum Switching Current

10mA

Maximum Inrush Current

Q1-Q4: 2A for 20ms, 1 pulse
Q5-Q20: 4A for 20ms, 1 pulse
Q21-Q24: 8A for 20ms, 1 pulse

Output Voltage Drop

0.3V maximum

OFF state leakage current

0.1mA maximum

Response Time

OFF to ON, ON to OFF: 1ms maximum (24Vdc)

Isolation Voltage

1500V RMS between field side and logic side,
500V RMS between groups

Fuse

None, outputs 5

–

24 are ESCP protected

Under-voltage shutdown

–

Q20: 5V minimum, 8V maximum

DC short circuit current

–

Q4, Q21

–

Q24: 5A typical

–

Q20: 0.7A minimum, 2A maximum

Peak short circuit current

–

Q20: 4A maximum

Delay time of peak short
circuit current

100 µS

Delay time of current limit

100 µS

High-Speed Counter Input and Output Specifications

Maximum Counter Frequency 100kHz

Input Voltage

ON: 18V, OFF: 5V

Count Pulse Width

20% to 80% of duty cycle at 100kHz

Count Registers

16/32 bits

Outputs

Load Voltage

12/24Vdc

Maximum Pulse/Pulse Train
with Ramping/PWM
Frequency

PWM and PTO: 65kHz
Pulse Train with Ramping: 65kHz

Types available

Up to four HSC, PTO, PTO with Ramping and/or PWM outputs

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8.4.5

Wiring Diagram, IC200UDD064

Figure 53

8.5

IC200UDD164
64 Point Micro PLC, (40) 24Vdc In, (24) 24Vdc
Out (Sink), 24Vdc Power Supply

VersaMax Micro PLC IC200UDD164 accepts forty DC inputs and provides twenty-four DC
outputs. It uses +24Vdc nominal input power for PLC operation.

8.5.1

DC Power

If configured to disable power-up diagnostics, the PLC begins logic solution 100ms after the
voltage level of the  power supply input reaches and maintains  24Vdc. The 24Vdc power
source  for  the  PLC  must  have  enough  transient  current  capability  to  support  the  inrush
current  of  the  power  supply  and  to  maintain  a  24Vdc  voltage  level  (see  power  supply
specifications for inrush requirements).

8.5.2

DC Inputs

Forty configurable DC inputs can be used as positive or negative logic standard inputs. Eight
of these inputs can be used for High-Speed Counter inputs. When used as standard inputs,
they are compatible with a wide range of input devices, such as pushbuttons, limit switches,
and electronic proximity switches.

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8.5.3

DC Outputs

Micro PLC IC200UDD164 has 24 Sink-type DC outputs. All outputs are isolated between field
and logic and are switching positive voltage. The outputs have one common incoming
supply (VC) and one common ground (COM). The outputs are able to drive high inrush
currents (8 times the rated current) and are protected against negative voltage pulses. This
makes it possible to switch lamps and inductive loads.

DC outputs can be used as standard, High-Speed Counter, Pulse-Width Modulated, Pulse
Train Outputs, or Pulse Train Outputs with Ramping.

8.5.4

Micro PLC IC200UDD164 Specifications

Item

Description

Inputs

Forty 24Vdc positive or negative logic inputs

Outputs

Twenty-four transistor outputs, 24Vdc.

High-Speed Counters

Up to four Type A or one Type A and one Type B or four Type A_ 32 or
one Type A_ 32 and one Type B_32

DC Power Specifications

Range

19.2Vdc to 30Vdc

Hold-up

10mS at 19.2Vdc

Inrush Current

1 Amp maximum at 30Vdc

Inrush Time

10mS for 1 Amp

Input Current

0.20 Amp typical at 24Vdc

Input Power Supply Rating 5W

DC Input Specifications

Rated Input Voltage

24 volts DC

Input Voltage Range

0 to 30 volts DC

Input Current at 24Vdc

I1, I3, I5, I7: 8mA typical; Other inputs: 4.8mA typical

Input Impedance

I1, I3, I5, I7: 2.7 kΩ; Other inputs: 4.7 kΩ

Input Threshold Voltage

ON: 18Vdc minimum, OFF: 5Vdc maximum

Input Threshold Current

I1, I3, I5, I7: ON 4.5mA maximum, OFF: 1.8mA minimum
Other Inputs: ON 3.3mA maximum, OFF: 1.6mA minimum

Response Time

1ms to 20ms configurable as regular input; 100µs as HSC input

Isolation Voltage

1500V RMS field side to logic side, 500V RMS between groups

Output Specifications

Voltage Range

12Vdc/24Vdc

External Power Supply

12/24Vdc

–

10%, +20%

Maximum Load Current

0.5A per point (Q1

–

Q24) at 24Vdc

Minimum Switching
Current

10mA

Maximum Inrush Current

–

Q24: 2A for 20ms, 1 pulse

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Item

Description

Output Voltage Drop

–

Q24:

0.3Vdc

OFF state leakage current 0.1mA

Response Time

OFF to ON, ON to OFF: 1 mS maximum @ 24Vdc

Isolation Voltage

1500V RMS between field side and logic side, 500V RMS between
groups

Fuses

None

Under-voltage shutdown

–

Q24: 5V minimum, 8V maximum

DC short circuit current

–

Q24: 0.7A minimum, 2A maximum

High-Speed Counter Input and Output Specifications

Maximum Counter
Frequency

100kHz

Input Voltage

ON: 18V, OFF: 5V

Count Pulse Width

20% to 80% of duty cycle at 100kHz

Count Registers

16/32 bits

Outputs

Load Voltage

12/24Vdc

Maximum Pulse/PWM
Frequency

PWM and PTO: 65kHz

Types available

Up to four HSC, PTO, PTO with Ramping and/or PWM outputs

8.5.5

Wiring Diagram, IC200UDD164

Figure 54

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8.6

IC200UDR064
64 Point Micro PLC, (40) 24Vdc In, (24) Relay
Out, 24Vdc Power Supply

VersaMax Micro PLC IC200UDR064 accepts forty DC inputs and provides twenty-four
normally open 2 Amp relay outputs. It uses +24Vdc nominal input power for PLC operation.

8.6.1

DC Inputs

8.6.2

Relay Outputs

The twenty-four normally open Form A relay outputs (SPST-single pole single throw) can
control many types of load devices such as motor starters, solenoids, and indicators. The
switching capacity of each of these circuits is 2 amps. An external source of AC or DC power
must be supplied to operate field devices.

The relay outputs can be configured as up to four HSC outputs. Relay outputs cannot be
used as Pulse Train or PWM outputs.

8.6.3

Micro PLC IC200UDR064 Specifications

Item

Description

Weight

580 grams (1.28lbs)

Inputs

Forty 24Vdc positive/negative logic input circuits

Outputs

Twenty-four normally open 2 amp relay circuits

High-Speed Counters

Up to four Type A or one Type A and one Type B or four Type A_ 32 or
one Type A_ 32 and one Type B_32

+24Vdc Output Power
Supply

200mA maximum (for input circuits and user devices)

+5Vdc output of Serial
Port

Serial Port 1, pin 7: 100mA maximum

DC Power Specifications

Range

19.2Vdc to 30Vdc

Hold-up

10mS at 19.2Vdc

Inrush Current

1 Amp maximum at 30Vdc

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Item

Description

Inrush Time

10mS for 1 Amp

Input Current

0.20 Amp typical at 24Vdc

Input Power Supply Rating 5W

DC Input Specifications

Rated Input Voltage

24 volts DC

Input Voltage Range

0 to 30 volts DC

Input Current at 24Vdc

I1, I3, I5, I7: 8mA typical; Other inputs: 4.8mA typical

Input Impedance

I1, I3, I5, I7: 2.7 kΩ; Other inputs: 4.7 kΩ

Input Threshold Voltage

ON: 18Vdc minimum, OFF: 5Vdc maximum

Input Threshold Current

I1, I3, I5, I7: ON 4.5mA maximum, OFF: 1.8mA minimum
Other Inputs: ON 3.3mA maximum, OFF: 1.6mA minimum

Response Time

1ms to 20ms configurable as regular input; 100µs as HSC input

Isolation Voltage

1500V RMS field side to logic side, 500V RMS between groups

Relay Output Specifications

Operating Voltage

5 to 30Vdc or 5 to 250Vac

Isolation

1500 V RMS between field side and logic side, 500 V RMS between
groups

Leakage Current

15 mA at 240Vac maximum

Maximum UL Pilot Duty
Rating

2 amps at 24Vdc and 240Vac

Maximum Resistive Load
Rating

2 amps at 24Vdc and 240Vac

Minimum Load

10 mA

Maximum Inrush

5 amps per half cycle

Response Time

ON: 15 ms maximum, OFF: 15 ms maximum

Contact Life: Mechanical

20 x 106 mechanical operations

Contact Life: Electrical
Voltage
240Vac, 120Vac, 24Vdc

Current: Resistive
2.0A

Current: Lamp and Solenoid
0.6A

Typical Operations
200,000

High-Speed Counter Input and Output Specifications

Maximum Counter
Frequency

100kHz

Input Voltage

ON: 18V, OFF: 5V

Count Pulse Width

20% to 80% of duty cycle at 100kHz

Count Registers

16/32 bits

Outputs

Load Voltage

Q1: 5/12/24V, Q2-Q4: See relay output specifications

Type available

Up to four HSC outputs. Pulse outputs are not available.

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8.6.4

Wiring Diagram, PLC IC200UDR064

Figure 55

8.7

IC200UDR164
64 Point Micro PLC, (40) 24Vdc In, (24) Relay
Out, 120/240Vac Power Supply

VersaMax Micro PLC IC200UDR164 accepts forty DC inputs and provides twenty-four
normally open 2 Amp relay outputs. It uses 100Vac to 240Vac nominal input power for PLC
operation.

8.7.1

DC Inputs

8.7.2

Relay Outputs

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The relay outputs can be configured as up to four HSC outputs. Relay outputs cannot be
used as Pulse Train or PWM outputs.

8.7.3

Micro PLC IC200 UDR164, Specifications

Item

Description

Weight

580 grams (1.28lbs)

Inputs

Forty 24Vdc positive/negative logic input circuits

Outputs

Twenty-four normally open 2-amp relay circuits

High-Speed Counters

Up to four Type A or one Type A and one Type B or four Type A_ 32 or
one Type A_ 32 and one Type B_32

+24Vdc Output Power
Supply

435mA maximum (for input circuits and user devices)

+5Vdc output of Serial
Port

Serial Port 1, pin 7: 100mA maximum

AC Power Specifications

Range

100 -15% to 240 +10%Vac

Frequency

50 -5% to 60 +5% Hz

Hold-up

10mS at 85 to 100Vac, 20mS at 100 to 265Vac

Inrush Current

30 Amp maximum at 200Vac, 40 Amp maximum at 265Vac

Inrush Time

2 ms for 40Amp

Input Current

0.20 Amp typical at 200Vac 0.10 Amp typical at 100Vac

Input Power Supply Rating 26 VA

DC Input Specifications

Rated Input Voltage

24 volts DC

Input Voltage Range

0 to 30 volts DC

Input Current at 24Vdc

I1, I 3, I 5, I 7: 8mA typical; Other inputs: 4.8mA typical

Input Impedance

I1, I 3, I 5, I 7: 2.7 kΩ; Other inputs: 4.7 kΩ

Input Threshold Voltage

ON: 18Vdc minimum, OFF: 5Vdc maximum

Input Threshold Current

I1, I3, I5, I7: ON 4.5mA maximum, OFF: 1.8mA minimum
Other Inputs: ON 3.3mA maximum, OFF: 1.6mA minimum

Response Time

1ms to 20ms configurable as regular input; 100µs as HSC input

Isolation Voltage

1500V RMS field side to logic side, 500V RMS between groups

Relay Output Specifications

Operating Voltage

5 to 30Vdc or 5 to 250Vac

Isolation

1500 V RMS between field side and logic side, 500 V RMS between
groups

Leakage Current

15 mA at 240Vac maximum

Maximum UL Pilot Duty
Rating

2 amps at 24Vdc and 240Vac

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Item

Description

Maximum Resistive Load
Rating

2 amps at 24Vdc and 240Vac

Minimum Load

10 mA

Maximum Inrush

5 amps per half cycle

Response Time

ON: 15 ms maximum, OFF: 15 ms maximum

Contact Life: Mechanical

20 x 106 mechanical operations

Contact Life: Electrical
Voltage
240Vac, 120Vac, 24Vdc

Current: Resistive
2.0A

Current: Lamp and Solenoid
0.6A

Typical Operations
200,000

High-Speed Counter Input and Output Specifications

Maximum Counter
Frequency

100kHz

Input Voltage

ON: 18V, OFF: 5V

Count Pulse Width

20% to 80% of duty cycle at 100kHz

Count Registers

16/32 bits

Outputs

Load Voltage

Q1: 5/12/24V, Q2-Q4: See relay output specifications

Type available

Up to four HSC outputs. Pulse outputs are not available.

8.7.4

Wiring Diagram, IC200UDR164

Figure 56

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Chapter 9:

VersaMax Micro PLC 8-, 14-, and
16-Point Expansion Units

This chapter consists of module datasheets for the following VersaMax Micro PLC
Expansion Units:

IC200UEC008 8 Points, (4) 24Vdc In, (4) 24Vdc Out with ESCP, 24Vdc Power Supply

IC200UEC108 8 Points, (4) 24Vdc In, (4) 24Vdc Transistor Out, 24Vdc Power Supply
IC200UEC208 8 Points, (4) 24Vdc In (4) Relay Out 24Vdc Power Supply
IC200UEI008

8 Points, (8) 24Vdc In, 24Vdc Power Supply

IC200UEI016

16 Points, (16) 24Vdc In, 24Vdc Power Supply

IC200UEO008 8 Points, (8) 24Vdc Output with ESCP, 24Vdc Power Supply
IC200UEO108 8 Points, (8) 24Vdc Transistor Out, 24Vdc Power Supply

IC200UEO016  16 Points, (16) 24Vdc Output with ESCP, 24Vdc Power Supply
IC200UEO116  16 Points, (16) 24Vdc Transistor Out, 24Vdc Power Supply
IC200UER008  8 Points, (8) Relay Outputs, 24Vdc Power Supply

IC200UER016 16 Points, Relay Outputs, 24Vdc Power Supply
IC200UEX009 14 Points, (8) 120Vac In, (2) Relay Out at 10 Amps, (4) Relay Out at 2 Amps,

120/240Vac Power Supply

IC200UEX010  14 Points, (8) 120Vac In, (6) 120Vac Out, 120/240Vac Power Supply
IC200UEX011  14 Points, (8) 24Vdc In, (6) Relay Out, 120/240Vac Power Supply
IC200UEX012  14 Points, (8) 24Vdc In, (6) Relay Out, 24Vdc Power Supply

IC200UEX013  14 Points, (8) 12Vdc In, (6) Relay Out, 12Vdc Power Supply
IC200UEX014  14 Points, (8) 24Vdc In, (6) 24Vdc Out, 24Vdc Power Supply
IC200UEX015  14 Points, (8) 12Vdc In, (6) 12Vdc Out, 12Vdc Power Supply

IC200UEX122 14 Points, (8) 24Vdc In, (6) 24Vdc Out with ESCP, 24Vdc Power Supply

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9.1

Features of VersaMax 8-, 14-, and 16-Point
Expansion Units

Modular Expansion Units can be used to increase the total I/O count of a Micro PLC. Up to
4 Expansion Units in any combination can be used with any 14-point to 64-point Micro PLC.
Expansion Units can be located up to 2 meters from the Micro PLC.

Figure 57

9.1.1

Removable Terminal Strips

VersaMax Expansion Units provide the wiring flexibility of removable terminal assemblies.
After turning off power to the Micro PLC, a terminal assembly and attached field wiring can
be separated from the Micro PLC by loosening two screws.

9.1.2

Expansion Connector

The connector on the left side of the Expansion Unit is used to connect to the Micro PLC or
to the outgoing connector on the previous Expansion Unit. The connector on the right side
of the Expansion Unit can be used to attach to the next Expansion Unit.

9.1.3

Status LEDs

LEDs on the Expansion Unit provide quick visual verification of operating status. In addition
to LEDs for Expansion Unit local Power and OK mode, there is an LED for each I/O point.

9.1.4

Cables

A 0.1-meter ribbon cable (IC200CBL501) is provided with each Expansion Unit. Cables are
also available in 0.5-meter (IC200CBL505) and 1 meter (IC200CBL510) lengths.

EMERSON PACSystems VersaMax MICRO PLC & NANO PLC. USER MANUAL (2019) - page 11