14
1MRS750527-MUM
Feeder Terminal
Technical Reference Manual, General
REF 54_
Table 3.2.-1
Hardware versions of REF 541
HW modules
Order number
REF
541K_1
15A
AAA
REF
541K_1
15B
AAA
REF
541K_1
15C
AAA
REF
541K_1
15A
ABA
REF
541K_1
15B
ABA
REF
541K_1
15C
ABA
REF
541K_1
15A
AAB
REF
541K_1
15B
AAB
REF
541K_1
15A
ABB
REF
541K_1
15B
ABB
REF
541K_1
18A
AAA
REF
541K_1
18B
AAA
REF
541K_1
18C
AAA
REF
541K_1
18A
ABA
REF
541K_1
18B
ABA
REF
541K_1
18C
ABA
REF
541K_1
18A
AAB
REF
541K_1
18B
AAB
REF
541K_1
18A
ABB
REF
541K_1
18B
ABB
Analog interface
Sensor channels (current/ voltage)
9
9
9
9
9
9
9
9
9
9
Current trafo 1/5 A
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Current trafo 0.2/1 A
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Voltage trafo 100 V
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Main processor boards
CPU module
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Power supply boards
PS1: 80...265 V AC/DC (High)
1
1
1
1
1
1
1
1
PS1: 80...265 V AC/DC (Medium)
1
1
1
1
1
1
1
1
PS1: 18...80 V DC (Low)
1
1
1
1
PS2: 80...265 V AC/DC
PS2: 18...80 V DC
Digital I/O boards
BIO1: threshold voltage 155 V DC
1
1
1
1
1
1
1
1
BIO1: threshold voltage 80 V DC
1
1
1
1
1
1
1
1
BIO1: threshold voltage 18 V DC
1
1
1
1
BIO2: threshold voltage 155 V DC
BIO2: threshold voltage 80 V DC
BIO2: threshold voltage 18 V DC
Analog I/O board
RTD/analog module
1
1
1
1
1
1
1
1
1
1
Display boards
Graphic HMI display, fixed
1
1
1
1
1
1
1
1
1
1
1
1
Graphic HMI display, external
1
1
1
1
1
1
1
1
Mechanic
1/2 enclosure
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Digital inputs
15
15
Power outputs, single pole
0
0
Power outputs, double pole
5
5
Signal outputs (NO)
2
2
Signal outputs (NO/NC)
5
5
Supervised trip circuits
2
2
IRF outputs
1
1
RTD/analog inputs
0
8
Analog outputs
0
4
Summary of Contents for REF 54 Series
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