Programmable Outputs
The input/output expander has 4 programmable outputs. These outputs are used to activate bell sirens, lighting
circuits, door locks, relay accessory products and other automation points.
Outputs
The 4 outputs each have a Form C output relay. The connection example below shows the control of an external
LED indicator.
Output Connection (Output 2 Shown):
1K5 OHM
+12V AUX
0V
LED
V+
V
-
N
C
C
N
O
N
C
C
N
O
Warning:
Switching inductive loads that can produce high back EMF voltages or large voltage-induced spikes
can cause the module to behave unexpectedly and should be avoided. A suitable isolation circuit must be
installed between the relay contacts of the module and the inductive load.
PRT-IO84-DIN | Protege DIN Rail 8 Input 4 Output Expander | Installation Manual
12