LDM Series Instruction Manual —
P/N 15885:H3 8/12/2019
29
Annunciator Operation
System 500 (UL 8th)
Figure A.7 illustrates the configuration of the LDM-R32 Relay Expander to activate relays for up to 24 zones with the first eight relays
dedicated to the System 500 functions listed below.
Figure A.8 illustrates the configuration of the LDM-R32 Relay Expander to activate relays for up to 24 zones.
TB1
1
2
3
4
5
6
7
8
4
3
2
1
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TB3
TB4
TB5
TB2
TB6
Address #1
LDM-32
System
Functions
1 - 8
9 - 16
17 - 24
System Alarm
not used
not used
not used
NAC Circuit #1 ON
NAC Circuit #2 ON
Municipal Tie ON
Alarm Relay ON
N.O. Contacts
N.O. Contacts
N.O. Contacts
N.O.
Contacts
Common
for TB3
Common for TB1
Common for TB2
Common
for TB4
Figure A.7 Alarm Relays with LDM-R32
TB1
1
2
3
4
5
6
7
8
4
3
2
1
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TB3
TB4
TB5
TB2
TB6
Address #1
LDM-32
1 - 8
9 - 16
17 - 24
not used
N.O. Contacts
N.O. Contacts
N.O. Contacts
N.O.
Contacts
Common
for TB3
Common for TB1
Common for TB2
Common
for TB4
Figure A.8 Alarm Relays with 8-Point Shift