Amada 1-288-01, Руководство по эксплуатации, Страница: 101 / 144

APPENDIX A. TECHNICAL SPECIFICATIONS
HF28 DC RESISTANCE WELDING SYSTEM
990-372 A-3
Input Signals
NOTE: Except where parenthetically noted below, all input signals accept 5 to 24 VDC, normally open
or normally closed, positive or negative logic. Inputs are optically isolated.
Firing Switch Initiation: 1-level foot switch, 2-level foot switch or opto firing switch.
DB15 Control Signals: Remote weld schedule select, process inhibit .
RS232: Download software revisions.
Voltage: Weld voltage signal for voltage feedback operation (0 to 10 volt peak).
Weld Head: Plug-and-play connector with Firing and Foot switch inputs, Voltage Sense input
and 24VDC Air Valve Driver output
.
Output Signals
Monitor: Internal analog voltage signals representing secondary current feedback (0-5 VDC),
primary current (0-4 VDC), or weld voltage (0-5VDC).
Air Valve Driver: 24 VAC, 1 amp; timing controlled by the HF28. No weld over-force protection.
Alarm Relay: Two programmable mechanical relays: 24 VAC/VDC at 1 amp .
Physical Specifications
Size: ............................... (see illustration)
Weight ................................. 62 lbs. (28 kg)