128
Hardware Installation—Installing the
IFC-1010/2020
All connections are supervised and power limited. The M500MJ software
Type ID MTRB may be used to monitor either normally closed or
normally open supervisory contacts, as illustrated in Figure 91. An open
or a short condition on the circuit will produce the message
POINT
TROUBLE
on the display.
Figure 91 depicts the M500MJ software Type ID MTRB used to monitor
supervising the normally closed contacts of an uninterruptable power
supply with a CRT-2 terminal.
Note: The CRT-2 must be Revision H or higher.
1
5
2
6
3
7
4
8
9
Type “MTRB”
M500MJ
or
M501MJ
or
M502MJ
1
5
2
6
3
7
4
8
9
Type “MTRB”
M500MJ
or
M501MJ
or
M502MJ
Do Not Break Off Tabs!
Do Not Break Off Tabs!
SLC Loop
SLC Loop
Uninterruptible
Power Supply
UL Listed for
Fire Protective Signaling
with nomally closed
supervisory contacts.
Uninterruptible
Power Supply
UL Listed for
Fire Protective Signaling
with nomally open
supervisory contacts.
Normally Closed Contact Supervision
Normally O ontact Supervisionpen C
ELR 47K, 1/2W
Part Number A2143-00
(N-ELR in Canada)
uipowsup
CRT-2 AUX PORT
DB-25
UPS
Note: When contact state changes,
it inhibits answerback.
43
20
Uninterruptable Power Supply
UL Listed for Fire Protective Signaling with
normally closed supervisory contacts.
Figure 91: Uninterruptable Power Supply
Supervising an
Uninterruptable
Power Supply