Amada UB25 - Air Valve Driver 24 V; Firing Switch

APPENDIX B: ELECTRICAL AND DATA CONNECTORS
UB25 LINEAR DC RESISTANCE WELDING CONTROL
990-665 B-9
Air Valve Driver 24V
AIR VALVE DRIVER CONNECTOR SPECIFICATIONS
PIN
NO.
SIGNAL
MAX
VOLTAGE
MAX
CURRENT
I/O COMMENTS
NAME TYPE
1 HEAD+ AC 24 VAC 3 A O Air valve drive
2 24 VAC RET AC 24 VAC 3 A O Air valve drive return
3 Not Used
4 Not Used
Firing Switch
FIRING SWITCH CONNECTOR SPECIFICATIONS
PIN NO.
SIGNAL
MAX
VOLTAGE
MAX
CURRENT
I/O COMMENTS
NAME TYPE
1 24VGND Digital SGND 20 mA -- Firing Switch signal ground.
2 IFIRE Digital +24 V 10 mA I Firing Switch normally open.
SHIELD CGND -- CGND -- -- Chassis ground.
NOTE: In addition to the debounce time, there is a delay of no greater than 2.5 ms before the start signal is recognized
by the Power Supply.
PIN #2 -- 24V ac RETURN
PIN #4 --NOT USED
PIN #1 -- HEAD +
PIN #3 --NOT USED
PIN #1 -- 24VGND
PIN #2 -- IFIRE