Eurotherm 3116 PID User's Guide download pdf (Page 99)

3100/3200 Series

Part No HA028651 Issue 3.0 Mar-06 97

16.3.5 To Calibrate Remote Setpoint Input

Connect a milli amp source to terminals HD and HE as shown.

Select

Conf Level as described in Chapter 2, then:-

Operation Do This Display View Additional Notes

Select the Calibration

List header

1. From any display press



as many times

as necessary until the ‘CAL’ page header is

displayed.

Scrolling display ‘

CALIBRATIO N LIST’

Select the Calibration

Phase

2. Press



to select ‘P H A S E ’

none

phase

Scrolling display ‘

CALIBRATIO N phase’

Set mA source for 4mA

Select the low

calibration point

3. Press

▲

▼

to choose ‘rm.CL’

rm.CL

phase

Calibrate the

instrument to the low

calibration point

(4mA)

4. Press



to select ‘G O ’

5. Press

▲

▼

to choose ‘YES’

Scrolling display ‘

CALIBRATIO N start’

The controller automatically calibrates to the

injected input. The display will show

busy

then

pass, (if calibration is successful.) or

‘

FAIL’ if not. Fail may be due to incorrect

input. mA

Set mV source for 20mA

Select the high

calibration point

9. Press



to select ‘P H A S E ’

10. Press

▲

▼

to choose ‘rm.CH’

11. Repeat 4 and 5 above to calibrate the high

point

rm.CH

phase

The controller will again automatically calibrate

to the injected input mV.

If it is not successful then ‘

FAIL’ will be

displayed

To calibrate the voltage input, connect a volts source to terminals HD (negative) and HF (positive). The procedure is the same as

described above but the calibration points are:-

Parameter Calibration Voltage

rm.VL

0 Volts

rm.VH

10 Volts

Copper cable

Current

Source

Controller

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