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
Types 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 >
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IM 32Q06C10-31E
4th Edition : Jan.30,2015-00
