Installation __________________________________________________________________________
RF-MCGARDPRO
Hubbell Power Systems, Inc.
–
RFL™
Products
July 1, 2022
©2022 Hubbell Incorporated
3-22
Connector (mates with Midplane)
Discrete I/O Base Module
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Discrete I/O Base Rear Panel
J12
J11
J10
J9
J8
J7
GARD INPUT UNIT
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Figure 3-17. Top and Rear views of Discrete I/O Base module (continued)
3.7.3 Solid State Output Unit
The SS Output Unit (RF-500810) has 6 solid state outputs. The contacts are always Form A
(normally opened)
3.7.4 Relay Output Unit
The Relay Output Unit (RF-500815) has 6 relay outputs. The contacts can be Form A (normally
opened) or Form B (normally closed) and can be selected by the user with jumpers (SW1 through
SW6) on the Relay Output unit. The location of these jumpers is shown in
