INDEX
MODEL 250DP DUAL PULSE
RESISTANCE WELDING POWER SUPPLY
990-280
INDEX-3
-R-
Rear panel components ......................... 2-3
Recommended electrode materials ....... 5-3
Relay outputs ....................................... 2-8, A-19
Remote schedule selection.................... 2-8, A-17
Removing the cover .............................. 7-1
Repair service ....................................... 7-10
Repeat weld function ............................ 6-6
Resistance welding parameters ............. 5-1
Revision record (manual)...................... ii
Rollspot weld function.......................... 6-6
RUN state
....................................... 6-1
-S-
Safety Notes ....................................... iv
Screen flowchart ................................... 3-5
Screen formats ...................................... 3-3
Second air head connections................. 2-7
Selecting remote schedules ................... 2-8
Size, 250DP ....................................... A-22
Specifications:
Air valve driver ............................... A-14
Capacitor
bank ................................
A-2
Firing
switch ...................................
A-10
Footswitch
.......................................
A-9
Initiation
switch ..............................
A-12
Options .......................................
A-6
Polarity
selection.............................
A-3
Power,
input ....................................
A-1
Weld
counter...................................
A-14
Weld
schedule.................................
A-6
Welding
speed.................................
A-3
Squeeze time definition ........................ A-8
STANDBY state ................................... 6-2
States (250DP):
FIRE
.......................................
6-4
HELP
.......................................
6-4
MENU
.......................................
6-3
NO
WELD ......................................
6-4
PROGRAM.....................................
6-2
RUN
.......................................
6-1
STANDBY......................................
6-2
-
S- (continued)
Step count
...................................... A-12
Sticking electrodes................................ 5-5
Switch debounce time........................... A-11
System:
Default
parameters..........................
A-8
Features ......................................
1-2
Location
considerations ..................
2-1
-T-
Technical specifications ....................... A-1
Telephone repair service....................... 7-10
Testing, destructive............................... 5-7
Three-wire firing switch connections ... 2-4
Troubleshooting.................................... 7-10
Turning power on ................................. 4-1
-U-
Utilities, main menu.............................. A-7
-V-
Voltage changes, line............................ 7-2
Voltage range specifications................. 7-8
-W-
Warning, definition of ......................... iv
Weak welds
...................................... 5-4
Weight, 250DP ..................................... A-22
Weld counter specifications.................. A-14
Weld evaluation .................................... 5-4, 5-5
Weld functions:
Basic
......................................
6-5
General ......................................
6-1,
A-8
Repeat
......................................
6-6
Rollspot ......................................
6-6
Weld head compatibility....................... A-8
Weld head configuration jumpering ..... 4-6, A-15
Weld head parameters........................... 5-2
Weld schedule:
Development...................................
5-1
Specifications..................................
A-6
