701 Motor Protection Relay Date Code 20010719
Modbus
®
RTU Communications Protocol
Modbus Register Map
C.54
NOTE 1: Summary RTD Temperature Addresses can contain the
following diagnostic codes:
7ffeh = Fail
7ff0h = Not Attached or Not Available
NOTE 2: Individual RTD Temperature Addresses can contain the
following diagnostic codes:
8000h = RTD shorted
7fffh = RTD open
7ffch = SEL-2600 RTD Module Communication Failure
7ff8h = SEL-2600 RTD Module Self-Test Status Failure
7ff0h = RTD Not Attached or Not Available
NOTE 3: RTD Temperature Range Depends on the relay
temperature preference setting.
Temperature Preference Low High
°C –50 250
°F –58 482
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