RET 54_
1MRS755225
Issued: 20.01.2005
Version: E/26.10.2010
Transformer Terminal
Technical Reference Manual, General
©Copyright 2005 ABB Oy, Distribution Automation, VAASA, Finland 5
5.1.12.1.Fault indication ...................................................67
5.1.12.2.Fault operation ...................................................67
5.1.12.3.Fault recovery ....................................................68
5.1.12.4.Fault codes ........................................................68
5.1.13.Serial communication .......................................................68
5.1.13.1.Serial communication port assignment ..............68
5.1.13.2.SPA/IEC_103 communication on the rear connector
X3.2 69
5.1.13.3.DNP 3.0/Modbus communication on the rear
connector X3.2 69
5.1.13.4.IEC 61850 communication by using SPA-ZC 400 on
the rear connector X3.2 69
5.1.13.5.Profibus-DPV1 communication by using SPA-ZC
302 on the rear connector X3.2 70
5.1.13.6.LON/SPA bus communication on the rear connector
X3.3 70
5.1.13.7.Front panel optical RS-232 connection for a PC 70
5.1.13.8.Communication parameters ...............................70
5.1.13.9.Parallel communication support .........................75
5.1.13.10.System structure ..............................................76
5.1.13.11.LON inputs and outputs via a LON bus ...........81
5.1.13.12.Secured object control .....................................83
5.1.14.Time synchronization .......................................................85
5.1.15.Display panel (HMI) .........................................................85
5.1.16.Alarm LED indicators .......................................................87
5.1.16.1.Non-latched alarm ..............................................88
5.1.16.2.Latched alarm, steady LED ................................88
5.1.16.3.Latched alarm, blinking LEDs ............................89
5.1.16.4.Interlocking .........................................................89
5.2. Design description .......................................................................91
5.2.1. Technical data ..................................................................91
5.2.2. Terminal diagram of RET 541 ..........................................96
5.2.3. Terminal diagram of RET 543 ..........................................97
5.2.4. Terminal diagram of RET 545 ..........................................98
5.2.5. Terminal diagram of the RTD/analog module ..................99
5.2.6. Terminal connections .......................................................99
6. Service ...................................................................................103
7. Ordering Information ............................................................104
7.1. Order number ............................................................................104
7.2. Hardware versions of RET 541, RET 543 and RET 545 ...........105
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