Amada UB25 - Page 107

APPENDIX B: ELECTRICAL AND DATA CONNECTORS
UB25 LINEAR DC RESISTANCE WELDING CONTROL
990-665 B-5
I/O SIGNAL INTERFACE A CONNECTOR SPECIFICATIONS
PIN NO. NAME VOLTAGE CURRENT I/O COMMENTS
1 RELAY1N
230 VAC or 30 VDC
3 A O Relay output 1 Negative
2 RELAY1P
230 VAC or 30 VDC
3 A O Relay output 1 Positive
3 RELAY2N
230 VAC or 30 VDC
3 A O Relay output 2 Negative
4 RELAY2P
230 VAC or 30 VDC
3 A O Relay output 2 Positive
5 RELAY3N
230 VAC or 30 VDC
3 A O Relay output 3 Negative
6 RELAY3P
230 VAC or 30 VDC
3 A O Relay output 3 Positive
7 RELAY4N
230 VAC or 30 VDC
3 A O Relay output 4 Negative
8 RELAY4P
230 VAC or 30 VDC
3 A O Relay output 4 Positive
9 CGND CGND Chassis ground
10 +24VGND GND +24 VDC GND
11 O-UNUSED Not used
12 I-UNUSED Not used
13 INOWELD +24 V 10 mA I No weld input Switch normally open
14 24VGND GND +24 VDC GND
15 SPOWER 24 VDC 20 mA I
Power can be from internal or external
source for Schedule Select, Process
Inhibit, Istop.
16 24VOUT
+24 VDC
(open circuit)
48 mA at < 24 VDC O +24 VDC out through 200 ohm
17 Not used
18 Not used
19 Not used
20 Not used
21 Not used
22 HEAD+ 24 VAC 3A O 24 VAC Valve Driver
23 24VAC RET 24 VAC Return 3A O 24 VAC Valve Driver Return
24 ESON 24 VAC 3A I Emergency Stop
25 24 VAC 24 VAC 3A O Internal 24 VAC