PR 5715 - Internal Operation and Configuration; Sensor Error Detection

5715V102-UK 13
Sensor error detection inside and outside range
Sensor error check in 5715 variants:
Variant: Configuration Sensor error detection:
5715B
ERR1, ERR2, ERR3 and ERR4 = NONE OFF
Else: ON
5715D
ERR1, ERR2, ERR3 and ERR4=NONE, O.ERR=NONE.
OFF
Else: ON
Readout at hardware error
! Error indications in the display blink once a second. The help text explains the 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
Check-sum test of the configuration in RAM RA.ER Error in RAM
Check-sum test of the configuration in EEprom EE.ER Error in EEPROM
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
POTM -
IN.LO < -0,5%
IN.HI > 100,5%
TEMP TC / RTD
IN.LO < temperature range -2°C
IN.HI > temperature range +2°C
LIN R
0...800 ohm
IN.LO < 0 ohm
IN.HI > 1 kohm
0...10 kohm
IN.LO < 0 ohm
IN.HI > 15 kohm
Sensor error detection (SE.BR, SE.SH):
Input Range Readout Limit
CURR Loop break (4..20mA) SE.BR <= 3,6 mA; > = 21 mA
TEMP
TC SE.BR > ca. 750 kohm / (1,25 V)
RTD, 2-, 3- & 4-wire
No SE.SH for Cuxx, Pt10, Pt20 & Pt50
SE.BR > 12 kohm
SE.SH < 15 ohm
LIN R
0...800 ohm SE.BR > 875 ohm
0...10 kohm SE.BR > 12 kohm
Display readout below min. / above max. (-1.9.9.9, 9.9.9.9):
Input Range Readout Limit
CURR /
VOLT / Lin R
All
-1.9.9.9 Display readout <-1999
9.9.9.9 Display readout >9999
POTM -
-1.9.9.9 Display readout <-1999
9.9.9.9 Display readout >9999