Liebert 110V 1.6 Potential free contacts

Chapter 1 - General Description User Manual
N
Ne et tw wo or rk k P Po ow we er r S Sw wi it tc ch h
Page 1-6
1.6 Potential free contacts
The Network Power Switch status can be checked with the 37-pin D-type connector, located on the rear end. This is a
potential free contact, and gives following indications as shown in Table 1-1 –
Table 1-1
The pin details for this connector is shown in fig 1.6
Two potential free contacts indicating Source 1 and Source 2 Healthy conditions are taken from this 37 pin D type
connector and terminated at rear terminal connectors, as shown in figure 1.7.
Fig 1.6 – Pin details for 37 pin D-type Connector
Fig 1.7 – Potential free contacts Connectors
191837363517Unsync h
193416151433S2 Feed
191332313012S2 Healthy
19291110928S1 Healthy
1982726257S1 Feed
192465423Priority
192132120Overload
CommonNONCCommonNONC
Termination available of 37 pin D-type connectorStatus
191837363517Unsync h
193416151433S2 Feed
191332313012S2 Healthy
19291110928S1 Healthy
1982726257S1 Feed
192465423Priority
192132120Overload
CommonNONCCommonNONC
Termination available of 37 pin D-type connectorStatus
1219 3456789101112131415161718
2037 21222324252627282930313233343536
52 50 51
Pin Details
50
–
S2 Healthy
51
–
S1 Healthy
52
- Common
O/p Line Input Fuse 1
Input Fuse 2
Rear View
Neutral -2 Neutral -1 I/p Line -2 I/p Line -1
Common
S2 Healthy S1 Healthy
Common
S2 Healthy S1 Healthy
52 50 51
POTENTIAL
FREE CONTACTS