LB 6775
6 Operation
63039BA2, Rev. 01, 07/2018
69
Feedback Value [mA]
Actual measured output current (2 – 22 mA).
Lower Range [mA]
Set the lower range value of the current output
(default 3.8 mA).
Upper Range [mA]
Set the upper range value of the current output
(default 20.5 mA).
Output Value [mA]
Calculated current to output (0/4 – 20 mA).
Error Mode
Error Current selection.
0 = HIGH (22 mA)
1 = LOW (2 mA)
Error Value [mA]
Current outputted if error events is detected (2 ; 22
mA).
U – I Selection
0 – 10 V (activate voltage output)
0 – 24 mA (activate current output)
Field Calibration
Calibration Test Mode Activates/deactivates test mode of current loop. If
activated, the “Test Current” is output. (Reboot
deactivates test mode automatically).
Calibration Test Value
[mA]
Set the output current in test mode (2 – 23.9 mA)
Trim Offset (Calibra-
tion)
Current Loop calibration.
Trim Gain
(Calibration)
Current Loop calibration.
Upper Cal. Point
Value measured with external amperemeter and
usually used for gain calibration of current loop.
Lower Cal. Point
Value measured with external amperemeter and
usually used for offset calibration of current loop.
NOTICE
To calibrate the current output follow the calibration instructions in chapter 6.4.8.
Summary of Contents for LB 6775
Page 1: ...Detectors LB 6775 Operating Manual 63039BA2 Rev No 01 07 2018...
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Page 36: ...2 Safety Manual Explosion Protection Manual LB 6775 36 63039BA26 Rev 03 07 2018...
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