Delta Modulon DPH Series User Manual page 64

No.
External input switch or breaker
1
detection.
External bypass switch or
2
breaker detection.
External output switch or
3
breaker detection.
External manual bypass switch
4
or breaker detection.
Modulon DPH Series
Type
Dry Contact_ S1
Dry Contact_ S2
Dry Contact_ S3
Dry Contact_ S4
EXT.SWITCH
STATUS
S1
S3
Buffer
Buffer
Buffer
Buffer
(Figure 4-8: External Switch/ Breaker Status Dry Contacts Design)
Event
Normally closed (NC) device
Normally closed (NC) device
Normally closed (NC) device
Normally open (NO) device
S2
S4
5V
9
11
2mA. Max
5V
13
15
2mA. Max
5V
10
12
2mA. Max
5V
14
16
2mA. Max
UPS
Detect the external input switch or breaker's
status (default: S1).
Detect the external bypass switch or breaker's
status (default: S2).
Detect the external output switch or breaker's
status (default: S3).
Detect the external manual bypass switch or
breaker's status (default: S4).
4-6
Connection
S1
S2
S3
S4
Description