GE IC695CMM004-E RX3i Serial Communications modules

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Specifications

Number of Serial Ports

IC695CMM004-E: four independent serial ports

Connectors

RJ-45

Number of Serial Communications

Modules per CPU

Six in the main CPU backplane

Backplane power requirements

IC695CMM004-E

0.7 Amps maximum @ 3.3 VDC

0.150 Amps maximum @ 5.0 VDC

LEDS

Module OK, Port Fault, Port Status (2 or 4)

Port Type

RS-232 or RS-485/22. 4-wire (full duplex) or 2-wire (half-duplex) operation for RS-485/422

Flow Control for R-232

Selectable: Hardware (CTS/RTS) or none

Baud rates

1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 115.2k

Parity

Even, odd, none

Data bits

7,8

Stop bits

1,2

Operating Temperature

0°C to + 60°C

Input Impedance

Zin > 96 kOhm for RS-485/422

3 kOhm < Zin < 7 kOhm for RS-232

Max Overvoltage

+/- 25V

Channel-Channel Crosstalk

-55dB minimum

Isolation

Port to Backplane and to frame ground: 250 VAC continuous; 1500 VAC for 1 minute, 2550VDC for one second.

Port to port: 500VDC continuous, 710VDC for one minute.

FAQ

Q1: Can the four ports on the IC695CMM004-E module be configured independently? What communication standards do they support?

A: Yes, all four ports are completely independent. Each port can be individual-configured as an RS-232 or RS-485/RS-422 interface using programming software (such as Machine Edition). Additionally, all ports feature optical isolation to protect the system from industrial electromagnetic interference and ground loop currents.

Q2: Which industrial communication protocols are natively supported by this module, and what is the maximum communication speed?

A: The module natively supports several standard industrial protocols, including Modbus RTU (Master/Slave), DNP3, CCM, SNP/SNP-X, and Serial I/O (for custom ASCII communication). The maximum communication baud rate for each port is 115.2 Kbps.

Q3: How many IC695CMM004-E modules can be installed in a single RX3i PACSystems system? Does it support hot-swapping?

A: A maximum of 6 IC695CMM004-E modules can be installed on a single RX3i Universal Backplane. The module supports hot-swapping, which allows you to replace a faulty module while the system is running without turning off the PLC power, minimizing system downtime.