Status Register - WIKA GDT-20 Betriebsanleitung

5. Commissioning, operation
TAG number
Here, a transmitter name with up to 16 characters can be entered.

5.4.2.7 Status register

Register Function
00200 Error memory
00201 Error memory reset
00202 Software reset
00203 Resetting to standard
00204 Start heating process
(only model GDHT-20)
00221 Manual definition of the
heating interval (only
model GDHT-20)
After a restart (voltage supply was interrupted), the error memory is reset.
Writing 0x0001 in register address 00201 has the same effect.
Description of the error memory
Bit Description
0 Pressure signal below the lower limit value (< 0 bar)
1 Pressure signal above the upper limit value (> 16 bar)
2 Pressure sensor failure
3 Temperature signal below the lower limit value (< -40 °C [-40 °F])
4 Temperature signal above the upper limit value (> 80 °C [176 °F])
5 Communication error pressure/ temperature sensor
6 Gas density below the lower limit value (liquefaction of SF
7 Gas density above the upper limit value (> 80 g/l)
8 Failure of the humidity sensor (only model GDHT-20)
Communication error of humidity sensor (only model GDHT-20)
9
10 Recurring Modbus
11 Inadmissible mixing ratio, sum of all gas proportions ≠ 100 %
WIKA operating instructions transmitter, models GDT-20, GDHT-20
Value definition,
triggering the function
16 bit (see the following table)
Writing 0x0001
Writing 0x0001
Writing 0x0001
Writing 0x0001
Writing minutes
communication error
®
Writable
Read only
Yes
Yes
Yes
Yes
Yes
gas)
6
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