Critical Environment Technologies PDC Series Spezifikationen PDF herunterladen (Seite 4)

INDEX

SECTION DESCRIPTION PAGE

1.0 General.......................................................................................... 6

2.0 Controller Specifications ............................................................ 6- 7

3.0 Installation .................................................................................... 7

3.1 Wiring Analog Output Module.................................................... 8-9

4.0 Analog Output Module Circuit Board Photo............................. 10

4.1 Analog Output Module Description and Operation .................11

5.0 Programming General.................................................................11

5.1 Analog Output Module Programming Codes ...........................12

5.2 Analog Output Module Programming Code Descriptions ...... 13-14

6.0 Remote Relay Output Module .................................................... 15

6.1 Remote Power Supply Module...................................................15

5.2 ANALOG OUTPUT MODULE PROGRAMMING CODE DESCRIPTIONS, CONT’D.

Calibrate Lower “1331” Limit and Upper “1332” Limit:

This function is for factory use

only. It allows a trained technician to calibrate each of the analog outputs. Before at-

tempting to perform this function, disable all of the channels of the PDC controller so

that the word “HOLD” appears on the digital display. A good digital multi-meter and

eight accurate (1%) 100 ohm, 1/4 watt resistors will be required to perform this function.

Lower Limit: Enable the output channel to be calibrated (normally all eight channels).

Terminate all outputs with a 100 ohm, 1% resistor. Attach the meter leads from the digi-

tal multi-meter to the test points “TP-1” and “TP-2”, for channel one. Set the meter range

to “0 to 2 volts”. Enter code “1331”. Use button “3” or “1” to increment or decrement the

meter value to achieve a reading of 0.400 +/- 1 digit. Press button “2” when done then

move the meter leads to the next channel. Repeat this process for all eight channels.

Upper Limit: Repeat the steps indicated above, using code “1332” and setting all meter

readings to 2.000 VDC. When done, you have completed the calibration process.

Note: All calibration values are stored on the analog output module circuit. That way if

the module is moved to another system, it will not have to be calibrated again.

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Critical Environment Technologies PDC Series Spezifikationen Seite 4