4104V102-UK 13
45xx display readout of input 4...20 mA loop error detection
and signal ”outside range”
Input loop error check:
Device:
Configuration
Input loop error detection
4104
OUT.ERR=NONE.
OFF
OUT.ERR=DOWN, UP and ZERO
ON
Input ”outside range” limits - readout (IN.LO, IN.HI):
Input
Range
Readout
Limit
CURR
All - unipolar and bipolar
IN.LO
< -23 mA
IN.HI
> 23 mA
VOLT
All - unipolar and bipolar
IN.LO
< -12 V
IN.HI
> 12 V
Display readout below min. / above max. (-1999, 9999):
Input
Range
Readout
Limit
All
All
-1999
Display readout <-1999
9999
Display readout >9999
Input loop error detection - readout (LO.ER):
Input
Range
Readout
Limit
CURR
4...20 mA
LO.ER
<= 3.6 mA; > = 21 mA
Readout at hardware error
Error search
Readout
Cause
Check measurement of analog output
AO.ER
No load on the current output (only S4...20 mA)*
Communications test between 45xx
and 4104
NO.CO
Connection error
Hardware error
FL.ER
Error in FLASH**
Configuration error
CO.ER
Error in FLASH**
Check that saved configuration in 45xx
matches device
TY.ER
Invalid type or rev. no.
Hardware error
AO.SU
Analog output supply error*
Hardware error
RA.ER
RAM error*
Hardware error
EE.ER
EEPROM error*
Hardware error
AD.ER
A/D converter error*
Hardware error
IF.ER
Flash check sum error*
!
All error indications in the display flash once per second. The help text explains the error. If the error is an
input loop error, the display backlight flashes as well - this is acknowledged (stopped) by pushing the
3
button.
*
Error is acknowledged by either stepping through the basic setup, or by resetting the device power.
Some types of errors can only be acknowledged by resetting the device power.
**
Error is acknowledged by stepping through the basic setup.