26
MOUNTING PLUG-IN MODULES
The controller supports up to 3 plug-in modules, viz. Output-2 Module (Relay / SSR or DC Linear), Output-3 Module (Relay /
SSR or DC Linear) and Option Module (RS485 Serial Port or Digital Input for Auxiliary Setpoint selection). These modules are
either pre-fitted while the controller is shipped from the factory or can be fitted by the user later.
All 3 plug-in modules are provided with female socket that directly fits into the corresponding male plug provided on either
Power-supply PCB or CPU PCB. The Output-2 and Option Modules fit into plugs provided on Power-supply PCB whereas the
Output-3 Module fits into plug provided on the CPU PCB.
OUTPUT-2 & OUTPUT-3 : Modules and Jumper Settings
The Output-2 and Output-3 Modules come in three versions, viz., Relay / SSR, DC Linear Voltage and DC Linear Current. The
two modules are identical and, thus, can be fitted interchangeably in Output-2 or Output-3 positions.
Relay / SSR Module
This module can be configured for either Relay or SSR output through proper jumper selection. Two jumper settings A and B,
as shown in Figure 10.3 and Table 10.1, are required for Relay or SSR selection.
User Manual
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Figure 10.4
DC Voltage/Current Module
Figure 10.3
B
A
Relay/SSR Module
A
1
2
3
B
1
2
3
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