ABB Industrial IT enabled REX 521 - Page 53

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Technical Reference Manual, General
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53
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Hardware versions........................................................................................ 8
HMI ............................................................................................................ 33
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Internal power supply................................................................................. 14
Internal relay fault ...................................................................................... 24
IRF output................................................................................................... 24
IRF, VHHInternal relay fault
Isolated RS-485 connection.................................................................. 26, 27
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labels........................................................................................................... 35
LED label.................................................................................................... 35
0
Measuring devices
Technical data....................................................................................... 16
1
Non-volatile memory.................................................................................. 13
2
Optical RS-232 interface............................................................................ 32
Order number ..............................................................................................15
Ordering REX 521 protection relays.......................................................... 48
Outputs ....................................................................................................... 19
High-speed power output ..................................................................... 19
Signalling relay outputs........................................................................ 20
Single-pole power outputs.................................................................... 20
Testing.................................................................................................. 21
Overtemperature indication........................................................................ 15
3
Parameterization......................................................................................... 10
Power output (PO)...................................................................................... 37
Power outputs............................................................................................. 38
Power supply modules................................................................................ 14
Protocols
IEC 60870-5-103................................................................ 26, 31, 33, 55
LON.................................................................................... 26, 27, 29, 33
Modbus .................................................................................................31
SPA............................................................................... 26, 27, 30, 33, 63
5
Rated values................................................................................................ 15
Real-time clock........................................................................................... 13
Rear port options ........................................................................................ 27
Relay parameters ........................................................................................ 63