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Zeta Alarm Systems.
3 . 4 . 2 S i g m a M k I I
To install the ZNDC with a Sigma Mk II FACP, connect a cable between the RS485+ and RS485-
terminals on the ZNDC to the RS485+ and RS485- terminals on the panel (using either a NIM or
SCP1). Power the ZNDC from a 24VDC source, either one of the AUX24 outputs on the panel, or
an IPB-3 power booster. Once the ZNDC is connected, power up the panel, then scan the net-
work. The ZNDC should appear at address 10. If it does not, then check your connections and ver-
ify that the ZNDC is configured for Sigma Mk II operation.
NETWORK WIRING DIAGRAM - S1000
ILLUS. 3.4B
- +
-
2
3
4
5
6
7
TO 24VDC*
DEVICE
*NOTE: EITHER 7&8 OR 5&6
ARE ACCEPTABLE TO USE
FOR 24V OUT.
Revision 1.0
Figure No. 3.4A
+
8
9
10
11
12
13
14
15
16
17 18 19 20
SCP1
Figure No. 3.4B
Part # MAN-ZNDC-01
ZNDC Installation and Operation Manual
+
-
+
-
+24V
GND +24V
1
2
3
4
5
6
7
8
9
NDC
S1000
TB1
-
+
GND
10
TO OTHER
NETWORK
DEVICES
Page 10
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