Table 25: Hardware versions of RET 543, 7I/2U transformers
HW modules
Order number
RET543A_241AAAA
RET543A_241BAAA
RET543A_241CAAA
RET543A_241AAAB
RET543A_241BAAB
RET543A_244AAAA
RET543A_244BAAA
RET543A_244CAAA
RET543A_244AAAB
RET543A_244BAAB
Analog interface
Current trafo 1/5 A
7 7 7 7 7 7 7 7 7 7
Voltage trafo 100 V
2 2 2 2 2 2 2 2 2 2
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
45
Summary of Contents for RET 541
Page 1: ...Transformer Terminal Product Guide RET 541 RET 543 RET 545 ...
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