Amada HF-2500A, Operation Manual, Page: 106 / 164

APPENDIX B: ELECTRICAL AND DATA CONNECTIONS
HF-2500A HIGH FREQUENCY WELD CONTROL
B-6 990-371
Input / Output Signals
Pin Signal Name Description
1
CHASSIS GROUND Chassis Ground
2
24COM NEGATIVE of internal 24 VDC power supply
3
HEAD_1
COMMON for air valve solenoid, switched
For 24 VDC operation: Connect other end of solenoid to +24V_OUT
For 24 VAC operation: Connect other end of solenoid to 24 VAC
4 HEAD_2
5
RELAY_5
Relay 5 output, dry contact, programmable
Contact rating: 24 VDC/AC, 1 amp
6 RELAY_5R
7 24COM NEGATIVE of internal 24 VDC power supply
8
24VAC 24 VAC power supply
9 Not active Not active
10 WELD_ABORT Weld Abort Input
11 FIRE 1 Fires unit
12
24COM NEGATIVE of internal 24 VDC power supply
13 WELD / NO_WELD Weld / No Weld Input. Functions as a weld enable.
14 Not active Not active
15 I/O COMMON COMMON terminal for pins 10, 13, 24 - 31
16
FOOT 1 Activates foot level stage 1
17
FOOT 2 Activates foot level stage 2
18 24COM NEGATIVE of internal 24 VDC power supply
19 FS1/FS2/FIRE_COM COMMON terminal for pins 11, 16, 17
20-21
+24V_OUT +24 VDC output of internal power supply, polyfused at 1 amp
22 I/O COMMON COMMON terminal for pins 10, 13, 24 - 31
23 24COM NEGATIVE of internal 24 VDC power supply
24 SCHEDULE 0
Binary Schedule input terminals, used for schedule selection
25
SCHEDULE 1
26 SCHEDULE 2
27 SCHEDULE 4
28 SCHEDULE 8
29
SCHEDULE 16
30
SCHEDULE 32
31 WELD_INHIBIT Inhibits weld