Overview
The PACSystems* RX3i Serial Communications modules expand the serial communication capabilities of the RX3i system. The Serial Communications Module IC695CMM002 provides two independent, isolated serial ports.
Specifications
-
Number of Serial Ports:
- IC695CMM002: Two independent serial ports
- IC695CMM004: Four independent serial ports
- Connectors: RJ-45
-
Number of Serial Communication Modules per CPU:
- Maximum of six modules in the main CPU backplane
-
Backplane Power Requirements:
- IC695CMM002: 0.7 Amps maximum @ 3.3VDC, 0.115 Amps maximum @ 5.0VDC
- IC695CMM004: 0.7 Amps maximum @ 3.3VDC, 0.150 Amps maximum @ 5.0VDC
-
LED Indicators:
- Module OK
- Port Fault
- Port Status (2 or 4, depending on the module)
-
Port Types:
- RS-232
- RS-485/422 (4-wire full-duplex or 2-wire half-duplex)
- Flow Control for RS-232: Selectable: Hardware (RTS/CTS, RFR/CTS) or none
- Baud Rates: 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 115.2K bps
- Parity Options: Even, odd, none
- Data Bits: 7 or 8
- Stop Bits: 1 or 2
- Operating Temperature: 0°C to +60°C
-
Input Impedance:
- RS-485/422: Zin > 96 kΩ
- RS-232: 3 kΩ < Zin < 7 kΩ
- Maximum Overvoltage: ±25V
- Channel-to-Channel Crosstalk: –55 dB minimum
-
Isolation:
-
Port to Backplane and Frame Ground:
- 250VAC continuous
- 1500VAC for 1 minute
- 2550VDC for 1 second
-
Port to Port:
- 500VDC continuous
- 710VDC for 1 minute
-
Port to Backplane and Frame Ground:
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