Siemens Building Technologies
Fire Safety
P/N 315-033150-3
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The CAN bus requires a 120
S
resistance at each end of the loop. Refer to the NIC-C
Installation Instructions, P/N 315-033240 for details about CAN termination.
Figure 2
OCM-16 Wiring Without An RNI
ROTARY
ADDRESS SWITCHES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
12
3
4 5 6 7
8
90
12
3
4 5 6 7
8
90
S1
ON
ON
1
5
3
7
2
6
4
8
S2
1
5
3
7
2
6
4
8
OCM-16
TO PSC-12/PSX-12, TB3
OR ANY REGULATED
POWER LIMITED POWER
SUPPLY LISTED FOR
FIRE PROTECTIVE
SIGNALING USE
TO NEXT
OCM-16
TO PSC-12, TB1
SEE NIC-C
INSTALLATION
INSTRUCTIONS,
P/N 315-033240
FOR WIRING DETAILS
LAMP TEST*
AUDIBLE
DEVICE**
*NORMALLY OPEN MOMENTARY PUSHBUTTON (UL 864 LISTED)
**24VDC AUDIBLE 50mA MAX. (UL 864 LISTED)
(UNSUPERVISED)
(UNSUPERVISED)
+
–
ACK ALARM*
CAN +
CAN –
SHIELD
SHIELD
+24 V
24 V RET
USE UP TO 16 LED / INCANDESCENT
IN ANY COMBINATION (UNSUPERVISED)
/ RELAY
CORRESPONDING
DIPSWITCH ON
S1/S2
MUST BE SET TO
OFF FOR LEDs.
/
24VDC
RELAY
COIL
TB3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
12
3
4 5 6 7
8
90
12
3
4 5 6 7
8
90
S1
ON
ON
1
5
3
7
2
6
4
8
S2
1
5
3
7
2
6
4
8
OCM-16
CAN +
CAN –
SHIELD
SHIELD
+24 V
24 V RET
USE UP TO 16 LED / INCANDESCENT
IN ANY COMBINATION
/ RELAY
(UNSUPERVISED)
/
24VDC
RELAY
COIL
TB3
P2
TB1
TB1
P2
P3
P3
INSERT CAN TERMINATOR
P/N 110-134215
INTO P2 or P3
IF THIS IS THE LAST
MODULE ON THE PANEL.
DO NOT USE
DO NOT USE
SUPERVISED
S4
S3
S4
S3
TB2
TB2
NOTES
1. All wiring must be in
accordance with Article 760
of NEC or local building
codes.
2. All circuits are power limited
to NFPA 70 per NEC 760.
3. Electrical Ratings:
Standby current: 14mA max.
@ 24VDC
Active current: 200mA max.
@ 24VDC
4. For additonal information,
refer to the NIC-C Installa-
tion Instructions, P/N 315-
033240.
5. All wiring to TB1 must be:
- within the same room
- within 20 feet
- in rigid conduit
6. Lamp test switch, ACK alarm
switch, and audible device
must be UL 864 listed
devices.
7. CAN network max. line
resistance 16
S
.
8. Mount the Lamp Test, Ack
Alarm and Audible Device on
the REMBOX2/4 front door.
9. Wiring for TB1 and TB2 is 18
AWG min., 12 AWG max.
10. Wiring for TB3 is 26 AWG
min., 16 AWG max.
