Chapter 22 - Technical Specifications
2
INTERFACES
2.1
FRONT USB PORT
Use
Connector
Isolation
Constraints
2.2
REAR SERIAL PORT 1
Use
Standard
Connector
Cable
Supported Protocols *
Isolation
Constraints
* Not all models support all protocols - see ordering options
2.3
REAR SERIAL PORT 2
Use
Standard
Connector
Cable
Supported Protocols
Isolation
Constraints
2.4
IRIG-B PORT
Use
Standard
Terminal type
Connector
Cable type
Isolation
Constraints
Accuracy
470
Front USB port
For local connection to laptop for configuration purposes and firmware downloads
USB type B
Isolation to ELV level
Maximum cable length 5 m
Rear serial port 1 (RP1)
For SCADA communications (multi-drop)
EIA(RS)485, K-bus
General purpose block, M4 screws (2 wire)
Screened twisted pair (STP)
Courier, IEC-60870-5-103, DNP3.0, MODBUS
Isolation to SELV level
Maximum cable length 1000 m
Optional rear serial port (RP2)
For SCADA communications (multi-drop)
EIA(RS)485, K-bus, EIA(RS)232
General purpose block, M4 screws (2 wire)
Screened twisted pair (STP)
Courier
Isolation to SELV level
Maximum cable length 1000 m
IRIG-B Interface (De-modulated)
External clock synchronization signal
IRIG 200-98 format B00X
MiDOS
General purpose block, M4 screws (2 wire)
Screened twisted pair (STP)
Isolation to SELV level
Maximum cable length 1000 m
< +/- 1 s per day
P14D
P14D-TM-EN-8