ABB RET 545 - Page 46

Table 26: Hardware versions of RET 543, 8I/1U transformers
HW modules Order number
RET543A_242AAAA RET543A_242BAAA RET543A_242CAAA RET543A_242AAAB RET543A_242BAAB RET543A_245AAAA RET543A_245BAAA RET543A_245CAAA RET543A_245AAAB RET543A_245BAAB
Analog interface
Current trafo 1/5 A
8 8 8 8 8 8 8 8
8 8
Voltage trafo 100 V
1 1 1 1 1 1 1 1
1 1
Main processor boards
CPU module
1 1 1 1 1 1 1 1
1 1
Power supply boards
PS1: 80...265 VDC/AC (High)
1 1 1
1
PS1: 80...265 VDC/AC (Medium)
1 1 1
1
PS1: 18...80 VDC (Low)
1 1
PS2: 80...265 VDC/AC
PS2: 18...80 VDC
Digital I/O boards
BIO1: threshold voltage 155 VDC
1 1 1
1
BIO1: threshold voltage 80 VDC
1 1 1
1
BIO1: threshold voltage 18 VDC
1 1
BIO2: threshold voltage 155 VDC
1 1 1
1
BIO2: threshold voltage 80 VDC
1 1 1
1
BIO2: threshold voltage 18 VDC
1 1
Analog I/O board
RTD/analog module
1 1 1
1 1
Display boards
Graphic HMI display, fixed
1 1 1 1 1 1
Graphic HMI display external
1 1
1 1
Mechanic
1/2 enclosure
1 1 1 1 1 1 1 1
1 1
Digital inputs
25 25
Power outputs, single pole
2 2
Power outputs, double pole
9 9
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
Transformer Terminal RET 541, RET 543, RET 545
1MRS755543
46