Advanced Axis AX Series Handbuch für Installation und Betrieb - Seite 8
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2.2
DIP Switch Programming
Each AX-CZM module has four DIP switch settings for programming module functionalities. The AX-CZM module
can be setup as eight (8) Class B or four (4) Class A conventional zones, configured for local earth/ground fault
monitoring, if the host panel's power supply does not provide earth/ground fault detection capabilities, and can be
configured for either 3.9K, 4.7K or 6.8K Class B end-of-line (EOL) monitoring.
AX-CZM Module Default Dip Switch Settings = All OFF:
Segment 7 OFF:
Earth/ground fault monitoring is performed by host panel's power supply. If AX-CZM local
earth/ground fault monitoring is required, slide DIP switch segment 7 to the ON position.
Note: If multiple AX-CZM modules require earth/ground fault monitoring and they are receiving power from
a common power supply source only one (1) of the AX-CZM modules should be set to AX-CZM local
earth/ground fault monitoring.
monitoring the earth/ground fault reference impedance is 75K.
Segment 6 OFF:
Class B wiring for all conventional zones. If Class A wiring is required, slide DIP switch
segment 6 to the ON position.
Segment 3 – 5 OFF:
Unused dip switch segments, position has no relevance, leave in the OFF position.
Segment 1 – 2 OFF:
Class B end-of-line (EOL) value 6.8K. If a 4.7K or 3.9K Class B end-of-line is required, set
DIP switch 1 and 2 as indicated below:
8
In addition, if an AX-CZM module is performing earth/ground fault
DIP 1
DIP 2
0 (OFF)
0 (OFF)
6.8K (Default)
1 (ON)
0 (OFF)
4.7K
0 (OFF)
1 (ON)
3.9K
1 (ON)
1 (ON)
Unused (6.8K)
Setting
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