BECKWITH ELECTRIC M-3425A, Instruction Book

Page: 357 / 482

M‑3425A Instruction Book
6–70
Output Relay Test (Power Supply Relay 24)
The power supply output relay can be tested by
performing the following:

NOTE
: For this test the relay is not required to be
in the Diagnostic Mode.
1. Ensure the protected equipment is in a
configuration/state that can support relay
output testing.
2. Confirm the position of output relay 24 in
the unoperated or
OFF
position. This can
be accomplished by connecting a DMM
(Digital Multimeter) across the appropriate
contacts and confirming open or closed.
The de-energized or
OFF
position for
Output 24 is listed in Table 6-1.
3. Remove power from the relay. The DMM
can now be used to verify that output
relay 24 contact is in the operated or
ON
position. The reading should be the
opposite of the initial reading determined
in Step 2.
4. Restore power to the relay.
Input Test (Control/Status)
The
INPUT TEST
menu enables the user to determine
the status of the individual control/status inputs.
Individual inputs can be selected by number using
the up and down arrow pushbuttons. The status of
the input will then be displayed.
Input Number Common Terminal Terminal
1 (52b) 11 10
2 11 9
3 11 8
4 11 7
5 11 6
6 11 5
Expanded I/O Inputs
7 66 or 67 75
8 66 or 67 74
9 66 or 67 73
10 66 or 67 72
11 66 or 67 71
12 66 or 67 70
13 66 or 67 69
14 66 or 67 68
Table 6‑2 Input Contacts
1. Ensure the protected equipment is in a
configuration/state that can support relay
input testing.
2. If the relay is already in the Diagnostic
Mode, then go to Step 3.
If the relay is NOT in the Diagnostic Mode,
then enter the relay diagnostic mode by
performing the steps described in the
Entering Relay Diagnostic Mode section
of this chapter, then go to Step 3.
3. Ensure that the Diagnostic Menu is
selected to
INPUT
(Upper Case).
INPUT TEST (RELAY)
output INPUT led target
V
W
button disp
V
W
com1 com2 com3 clock
V
W
led cal factory
If INPUT is not selected (Upper Case),
then use the Right/Left arrow pushbuttons
to select INPUT.