User guide

5-6 Dry Contact Communication
(1) PCB-3308 Dry contact layout shown as Fig. 5-7-1.
(2) PCB-3308 Dry contact function definitions listed in Table 5-7-2.
Fig. 5-7-1 Dry Contact Layout
Contact CN2 CN3
1 +12V USER0 +12V
2 INV STS_NO EXT. SHUTDOWN
3 INV STS_COM USER1 +12V
4 INV STS_NC EXT. EPO
5 BAT LOW_NO +12V
6 BAT LOW_COM ROLATION ERROR_NO
7 BAT LOW_NC ROLATION ERROR_COM
8 BACKUP MODE_NO ROLATION ERROR_NC
9 BACKUP MODE_COM FAN FAULT_NO
10
BACKUP MODE_NC
FAN FAULT_COM
11
INV ON_NO
FAN FAULT_NC
12
INV ON_COM
FUSE FAULT_NO
13 INV ON_NC FUSE FAULT_COM
14 UPS FAULT_NO FUSE FAULT_NC
15 UPS FAULT_COM FUNCTION RELAY1_NO
16 UPS FAULT_NC FUNCTION RELAY1_COM
17 RECIFIER AC FAIL_NO FUNCTION RELAY1_NC
18 RECIFIER AC FAIL_COM COMPOSITE FAULT_NO
19 RECIFIER AC FAIL_NC COMPOSITE FAULT_COM
20 RESERVE FAIL_NO COMPOSITE FAULT_NC
21 RESERVE FAIL_COM FUNCTION RELAY2_NO
22 RESERVE FAIL_NC FUNCTION RELAY2_COM
23 UPS OVERLOAD_NO FUNCTION RELAY2_NC
24
UPS OVERLOAD_COM
FUNCTION RELAY3_NO
25
UPS OVERLOAD_NC
FUNCTION RELAY3_COM
26
SYN. AC FAIL_NO
FUNCTION RELAY3_NC
27 SYN. AC FAIL_COM FUNCTION RELAY4_NO
28 SYN. AC FAIL_NC FUNCTION RELAY4_COM
29 RCM SHUTDOWN_NO FUNCTION RELAY4_NC
30 RCM SHUTDOWN_COM SPEAKER1
31 RCM SHUTDOWN_NC SPEAKER2
32 GND GND
Table 5-7-2 Dry Contact Signal Definitions