Red Lion IAMS - Manual (Page 15)

14
Sensor error detection limits
error indications
Sensor error detection (SE.BR, SE.SH):
Input Range Readout Limit
CURR Loop break (4..20 mA) SE.BR <= 3.6 mA; > = 21 mA
POTM All, SE.BR on all 3­wire SE.BR > ca. 126 k Ω
LIN.R
0...800 Ω SE.BR > ca. 875 Ω
0...10 k Ω SE.BR > ca. 11 k Ω
TEMP
TC SE.BR > ca. 750 k Ω / (1.25 V)
RTD, 2­, 3­, and 4­wire
No SE.SH for Pt10, Pt20 and Pt50
SE.BR > ca. 15 k Ω
SE.SH < ca. 15 Ω
Display readout below min.­ / above max. (­1999, 9999):
Input Range Readout Limit
All All
­1999 Display readout <­1999
9999 Display readout >9999
Readout at hardware error
Error search Readout Error cause
Test of internal CJC sensor CJ.ER
CJC sensor defect or tem­
perature outside range
Checksum test of the setup in FLASH FL.ER Error in FLASH
Check measurement of analogue output current AO.ER
1) Incorrect current output
(only S4...20/S20...4 mA)
Communications test PGMMOD00 / device NO.CO Connection error
Check that input signal matches input setup IN.ER 1) Error levels on input
Check that saved setup in PGMMOD00 matches device TY.ER Setup mismatch
! Error indications in the display flash once per second. The help text explains the error.
1) The error is reset by switching off and then switching on the supply voltage to the device.