PR Elecronics 4222, Руководство пользователя

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4222V101-UK 17
Sensor error detection limits
Signal conditioning limits
Error indications
Outside range readout (IN.LO, IN.HI):
If the valid range of the A/D converter or the polynomial is exceeded.
Input Range Readout Limit
VOLT
0...1 V / 0.2...1 V
IN.LO < -25 mV
IN.HI > 1.2 V
0...2.5 / 0.5...2.5 / 0...5 V / 1...5 V /
0...10 V / 2...10 V
IN.LO < -25 mV
IN.HI > 12 V
CURR 0...20 mA / 4...20 mA
IN.LO < -1.05 mA
IN.HI > 25.05 mA
LIN.R
0...800
Ω
IN.LO < 0 Ω
IN.HI > 1075
Ω
0...10 k Ω
IN.LO < 0 Ω
IN.HI < 110 k
Ω
POTM Min. readout = 0%, Max. readout = 100%
IN.LO < -0.5 %
IN.HI > 100.5 %
TEMP TC / RTD
IN.LO < temperature range -2°C
IN.HI > temperature range +2°C
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 3-wire 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 4-wire
No SE.SH for Pt10, Pt20 and Pt50
SE.BR > ca. 15 k
Ω
SE.SH < ca. 15
Ω
Readout at hardware error
Error search Readout Cause
Test of internal CJC sensor CJ.ER
CJC sensor defect or
tem perature outside range
Checksum test of the configuration in FLASH FL.ER Error in FLASH
Communications test 4501 / 4222 NO.CO Connection error
Check that input signal matches input configuration IN.ER 1) Error levels on input
Check that saved configuration in 4501 matches module TY.ER Configuration is not 4222
! All error indications 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 module.