38
39
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...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
< -10
Ω
IN.HI
> 1075
Ω
0...10 k
Ω
IN.LO
< -10
Ω
IN.HI
< 110 k
Ω
POTM
-
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
> 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)
Pt100 2-wire
SE.BR
> ca. 15 k
Ω
SE.SH
< ca. 15
Ω
Pt100 3-wire
SE.BR
> ca. 15 k
Ω
SE.SH
< ca. 15
Ω
Pt100 4-wire
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 communication uC / ADC
HW.ER
Permanent error in ADC
Test of internal CJC sensor
CJ.ER
CJC sensor defect
Checksum test of the configuration in RAM
RA.ER
Error in RAM
Checksum test of the configuration in FLASH
FL.ER
Error in FLASH
Check measurement of analogue output
AO.ER
Error on analogue output
Check that saved configuration in 4501 match module
TY.ER
Configuration is not 4131
Communications test 4501 / 4131
CO.ER
Connection error
! Error indications in the display blink once a second. The help text explains the error.
CONNECTIONS:
Inputs:
Output:
Supply:
31
32
33
Relays
21 22
24
23
R1
R2
RTD, 3- / 4-wire
41 42
44
43
RTD, 2-wire
42
44
43
41
Resistance, 2-wire
41 42
44
43
TC
41 42
44
43
+
-
Current
+
-
41 42
44
43
2-wire transmitter
+
-
Tx
41 42
44
43
Resistance,
3- / 4-wire
41 42
44
43
Potentiometer
41 42
44
43
Voltage
+
-
41 42
44
43
