30731808-002
Availability: In Stock
Regulator for RCD, ERCD
This is the power regulator used in RCD, RCDII, and URCD.
The regulator card receives +24V from the backplane, and provides +5V and ?12V output. If a regulated voltage faults, the card communicates the fault to other boards in the file. Test sockets are provided on the front of the card for fault detection and calibration. Early versions of this card contain 3 removeable fuses, new version hold 2.
| Fuse location | Type |
| F1 | 5 Amp |
| F2 | 10 Amp (old version removable) |
| F3 | 1 Amp |
| F4 | 1/8 Amp (soldered in) |
Board contains 2 LEDs:
DS2 – +24Vdc present on backplane
DS1 – all voltage present
Adjustments/Calibration
| TP1 | +24 VDC |
| TP2 | +12 VDC |
| TP3 | + 5 VDC |
| TP4 | Common |
| TP5 | -12 VDC |
WPC installs new electrolytic capacitors on this regulator, as shown.