3. Cabling
3-62
TI 32P01J10-01EN
Connecting Digital Output Modules to Relay Boards
Example of Connection to SRM53D Relay Board
The SRM53D relay board allows SDV531 modules to be dual-redundant.
The SDV144 digital input modules can read back relay output statuses (up to 16 points) (*1).
The SDV144 digital input modules can also be dual-redundant.
*1: 16-point relay output statuses, including 1 to 8 points of CN1 (CN2 for dual-redundant use) and 9 to 16 points of CN5 (CN6 for
dual-redundant use), can be read over simultaneously.
SRM53D
AKB331
Yokogawa-
specific
cable
SDV531 (Digital Output Module) SDV144 (Digital Input Module) SDV531 (Digital Output Module)
AKB331
Yokogawa-
specific
cable
Connection with
functional
grounding
terminal
Connection with
functional
grounding
terminal
CN1
CN2
CN3
CN4
CN5
CN6
TM1
FUSE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
TM2
24V
DC
TM3
+
F030616.ai
Figure Connecting Digital I/O Modules to SRM53D (for Dual-redundant Use)
Nov. 27, 2015-00
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