RS 485 Repeater
10-7
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Block Diagram of the RS 485 Repeater
•
Bus segment 1 and bus segment 2 are galvanically isolated from each other.
•
Bus segment 2 and the PG/OP socket are galvanically isolated from each other.
•
Signals are amplified
– between bus segment 1 and bus segment 2
– between PG/OP socket and bus segment 2
5V
24V
Segment 2
A2
B2
A2
B2
Segment 1
A1
B1
A1
B1
PG/OP-
socket
L+ (24 V)
M
A1
B1
5 V
M5 V
L+ (24 V)
M
PE
M 5.2
Logic
5V
24V
1M
1M
Figure 10-3
Block Diagram of the RS 485 Repeater
Содержание Simatic M7-400
Страница 10: ...Preface x S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 122: ...Power Supply Modules 3 42 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 362: ...Analog Modules 5 146 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 384: ...Interface Modules 6 22 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 428: ...RS 485 Repeater 10 8 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 496: ...M7 400 Expansions 12 26 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 562: ...Interface Submodules 13 66 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 574: ...Parameter Sets for Signal Modules A 12 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 594: ...Diagnostic Data of the Signal Modules B 20 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 598: ...Spare Parts and Accessories C 4 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
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