Figure 1
Wiring 2 units (adjustable voltage on unit #1)
Operation:
1.Plug power supply into octal socket.
2.Turn on power source.
3.Voltage adjustments are made by removing plug button on top of power supply case. This will expose a screwdriver slotted adjustment. Turn the adjustment clockwise to increase voltage, or counterclockwise to decrease voltage. When wired as described above, the adjusted voltage will be applied across unit #1.
4.With switch in position P1, unit #1 is energized with adjusted voltage and unit #2 is
5.With switch in position P2 (normally closed), unit #2 is energized with 100 VDC and unit #1 is de- energized.
6.If unit fails to operate, refer to the Troubleshooting section.
Note: If unit #1 is energized with fixed 100 VDC, and unit #2 with adjustable DC voltage, remove lead between terminal 2 of octal socket and P2b of switch. Add lead between terminal 2 of octal socket and P1b of switch.
Model 250 used with 2 units – adjustable voltage on both units.Connection Instructions (See Figure 2):
1.All connections are made to terminals on octal socket.
2.Connect unit #1 to terminals 6 and 8.
3.Connect unit #2 to terminals 3 and 6.
4.Connect a SPDT switch to terminals 3, 7, and 8;
the switch common must be connected to terminal
7. A
5.Connect 115 VAC,
Figure 2
Wiring 2 units (adjustable voltage on both units)
Operation:
1.Plug power supply into octal socket.
2.Turn on power source.
3.Voltage adjustments are made by removing plug button on top of power supply case. This will expose a screwdriver slotted adjustment. Turn the adjustment clockwise to increase voltage, or counterclockwise to decrease voltage. When wired as described above, this same adjusted voltage will be applied across both unit #1 and unit #2.
4.With switch in position P1, unit #1 is energized with adjusted voltage and unit #2 is
5.With switch in position P2 (normally closed), unit #2 is energized with adjusted voltage and unit #1 is
6.If unit fails to operate, refer to the Troubleshooting section.
Model 250 used with 1 unit. Connection Instructions (See Figure 3):
1.All connections are made to terminals on octal socket.
2.Connect unit (clutch or brake) to terminals 6 and 8.
3.Connect switch to terminals 7 and 8; the switch common should be connected to terminal 7. Use a maintained contact SPDT (shown in Figure 3) or SPST switch.
4.Connect 115 VAC,
2
