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NOTES
1. All wiring must be in accordance with Article 760 of NEC or local
building codes.
2. Only Zone 1 can be configured as Bell Follower-Primary. Any other
zone can be configured as Bell Follower-Secondary. There can only
be one Bell Follower-Primary per enclosure.
3. Electrical Ratings:
Bell Follower-Primary:
Input Alarm Current: 6mA max
Input Voltage: 24 VDC nominal
No end of line resistor is used.
Bell Follower-Secondary:
Input Voltage: 24 VDC nominal
Output Supervision Current: 4mA max
Output Alarm Current: 3A max
Output Voltage: 24 VDC nominal
4. Bell Follower-Primary is not supervised.
5. Bell Follower-Secondary is supervised for input voltage presence,
short and open on the output and is power limited. Bell Follower-
Secondary can be configured or Class A or Class B wiring.
6. The total output loop resistance must not
exceed those stated in table to the right.
7 . Refer to CAB1/CAB1R (P/N 315-0330007) and CAB2-BB/CAB3-BB
(P/N 315-033009) Installation Instructions for details on the
separation of power limited and non-power limited wiring.
8. Positive or negative ground fault detected at <40K ohms for
terminals 1-16.
9. The use of sync strobes is not allowed on the secondary circuits.
BELL FOLLOWER - SECONDARY
(CLASS A)
ZONE 3
BELL FOLLOWER
PRIMARY INPUT
FIRE ALARM PANEL
OR
BELL EXTENDER
NAC OUTPUT SHOWN
IN ACTIVE STATE
Figure 11
ZIC-4A Bell Follower Circuit Wiring
Siemens Industry, Inc.
Building Technologies Division
BELL FOLLOWER - SECONDARY
(CLASS B)
ZONE 2
*
24K,
1W
5%
NC
NC
NC
NC
NC
1
2
3
4
5
6
9
10
11
12
13
14
NC
*
24K,
1W
5%
ONE SLOT OF CC-5
17
18
19
20
21
22
16
C
D
*
FOR CANADIAN APPLICATIONS,
USE EOL MODEL REL-EOL.
NC
OMIT THE DIODE.
BELL FOLLOWER - SECONDARY
7
8
15
16
NC
23
24
TO PSC-12, TB4 -
TO PSC-12, TB4 +
r u
e r
t n
M
a
x
L
n i
e
a r
w
R
e
s
s i
a t
n
c
e
3
0 .
A
0
8 .
o
h
m
s
2
5 .
A
1
0 .
o
h
m
s
2
0 .
A
1
2 .
o
h
m
s
1
5 .
A
1
9 .
o
h
m
s
1
0 .
A
3
4 .
o
h
m
s
0
5 .
A
7
9 .
o
h
m
s
(CLASS B)
ZONE 4
*
24K,
1W
5%
P/N 315-033050-15