GASGUARD IS CONTROLLER Issue: R2, Date: 26/09/2011, CRN: 7502
Page 31
The following instructions (4.7.2 and 4.7.3) apply to all 4 Channels.
4.7.2
Channel 1 Zero Calibration
1.
Press the
key to enter into ‘Channel 1 Calibration’
2.
Connect a calibrated 4 mA / 0.4V signal (depending on input type) to channel 1 contacts
3.
The displayed value should read around zero
4.
Press the
key to save this calibration
5.
To escape, use the
key
4.7.3
Channel 1 Span Calibration
1.
In ‘Channel 1 Calibration’, hold the
key down for 5 seconds.
2.
Connect a calibrated 20 mA / 2.0V signal (depending on input type) to channel 1 contacts
3.
The displayed value should read a number above zero
4.
Press the
key to save this calibration
5.
To escape, use the
key
4.7.4
10 Volt Supply Voltage Calibration
1.
To modify ‘Supply Voltage Calibration’ press the
key to enter
2.
Select 10 Volts from the 10- 16 Volt variable power supply connected across the power contacts
3.
Press the
key to save the calibration at 10 Volts
4.
To escape, use the
key
4.7.5
16 Volt Supply Voltage Calibration
1.
In ‘Supply Voltage Calibration’, hold the
key down for 5 seconds.
2.
Select 16 Volts from the 10-16 Volt variable power supply connected across the power contacts
3.
Press the
key to save the calibration at 16 Volts.
4.
To escape, use the
key
The following instructions (4.7.6 and 4.7.7) apply to all 3 outputs.
4.7.6
Output 1 Zero Calibration
1.
To modify ‘Output 1 Calibration’ press the
key to enter
2.
Connect a calibrated multi-meter, set to mA, across output 1 contacts
3.
The multi meter should read 4 mA, if it does not, use the
key to increase the signal or the
key to
decrease the signal
4.
Once the signal is reading 4 mA, press the
key to save the calibration
5.
To escape, use the
key
4.7.7
Output 1 Span Calibration
1.
In ‘Output 1 Calibration’ hold the
key for 5 seconds.
2.
With the multi-meter still connected, the reading should be 20 mA, if not, use the
key to increase the
signal or the
key to decrease the signal
3.
Once the signal is reading 20 mA, press the
key to save the calibration
4.
To escape, use the
key.
Summary of Contents for gasguard
Page 47: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 46 ...
Page 62: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 61 B2 Main Menu Flowchart ...
Page 63: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 62 B3 Calibration Flowchart ...
Page 64: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 63 B4 Configuration Flowchart ...
Page 74: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 73 Appendix C Approvals ...
Page 75: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 74 ...
Page 76: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 75 ...
Page 77: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 76 ...
Page 78: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 77 ...
Page 79: ...GASGUARD IS CONTROLLER Issue R2 Date 26 09 2011 CRN 7502 Page 78 ...
