1.5.4 Relay Boards
The relay board amplifies the signals from the digital output module and outputs the amplified
signals to field devices.
n
T
ypes of Relay Boards
The following types of relay boards are available:
Table 1.5.4-1 Types of 19-Inch Rack Mountable Relay Boards
Model Name Connectable I/O module
SRM53D 8x2 dry contact outputs
SDV531
SDV144 (readback)
SRM54D 16x1 dry contact outputs
SDV541
SDV144 (readback)
Table 1.5.4-2 Types of DIN Rail Mountable Relay Boards
Model Name Connectable I/O module
SBM54D Relay board for Digital output (single and dual-redundant) SDV541
n
19-Inch Rack Mountable Relay Board Design
l
SRM53D Design
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
TM3
24V
DC
+
Figure 1.5.4-1 SRM53D
l
SRM54D Design
CN1
CN2
CN3
CN4
TM1
FUSE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
TM2
TM3
24V
DC
+
Figure 1.5.4-2 SRM54D
<1.5 Accessories Related to Input/Output Modules > 1-26
IM 32Q06C10-31E 4th Edition : Jan.30,2015-00