2 INTERFACES
2.1 FRONT USB PORT
Front USB port
Use For local connection to laptop for configuration purposes and firmware downloads
Connector USB type B
Isolation Isolation to ELV level
Constraints Maximum cable length 5 m
2.2 REAR SERIAL PORT 1
Rear serial port 1 (RP1)
Use For SCADA communications (multi-drop)
Standard EIA(RS)485, K-bus
Connector General purpose block, M4 screws (2 wire)
Cable Screened twisted pair (STP)
Supported Protocols * Courier, IEC-60870-5-103, DNP3.0, MODBUS
Isolation Isolation to SELV level
Constraints Maximum cable length 1000 m
* Not all models support all protocols - see ordering options
2.3 REAR SERIAL PORT 2
Optional rear serial port (RP2)
Use For SCADA communications (multi-drop)
Standard EIA(RS)485, K-bus, EIA(RS)232
Connector General purpose block, M4 screws (2 wire)
Cable Screened twisted pair (STP)
Supported Protocols Courier
Isolation Isolation to SELV level
Constraints Maximum cable length 1000 m
2.4 IRIG-B PORT
IRIG-B Interface (De-modulated)
Use External clock synchronization signal
Standard IRIG 200-98 format B00X
Terminal type MiDOS
Connector General purpose block, M4 screws (2 wire)
Cable type Screened twisted pair (STP)
Isolation Isolation to SELV level
Accuracy < +/- 1 s per day
Chapter 21 - Technical Specifications P24xM
432 P24xM-TM-EN-2.1