Endress+Hauser iTEMP HART TMT162 Bedienungsanleitung Seite 84

Commissioning
84
Byte Contents
0
1
Overall device status
2
3
4
Status channel 1
5 Status channel 2
6
Extended device status
7 Device operating mode
The Fieldgate FXA520 system components from Endress+Hauser allow the remote
interrogation, remote diagnosis and remote configuration of connected HART
user is automatically notified by e-mail or text message. The device evaluates the first 4
bytes of HART-Cmd #48 for diagnosis purposes.
®
• HART command No. 231 (HART-Cmd #231)
The classified diagnosis of the device can be checked by means of this command. Fault classes
according to GMA VDE NAMUR 2650 guidelines:
Byte Contents
1 Information acc. to GMA VDE
NAMUR 2650
Meaning
0 x 01 reserved
0 x 02 reserved
0 x 04 reserved
0 x 08 reserved
0 x 10 reserved
0 x 20 reserved
0 x 40 global bit for a warning
0 x 80 global bit for an error
0 x 01 information: device starting
0 x 02 information: device in Multidrop mode
0 x 04 error: supply voltage too low
0 x 08 error: measured value range undershoot
0 x 10 error: measured value range overshoot
0 x 20 warning: sensor drift detected
0 x 40 reserved
0 x 80 reserved
0 x 01 warning: backup switched on
0 x 02 information: maintenance necessary
0 x 04 information: drift too small/large
0 x 08 information: corrosion at terminals
0 x 10 information: ambient temperature too high/low
0 x 20 information: output current at fixed value
0 x 40 information: no LCD connected or LCD error
0 x 80 information: upload/download active
0 x 01 error: EEPROM
0 x 02 error: ADC
0 x 04 error: channel 1
0 x 08 error: channel 2
0 x 10 error: comparison measurement point
0 x 20 error: HART ASIC
0 x 40 warning: measured value range undershoot
0 x 80 warning: measured value range overshoot
0 x 01 warning corrosion
0 x 02 corrosion
0 x 04 sensor rupture
0 x 08 sensor short circuit
0 x 10 range undershoot
0 x 20 range overshoot
0 x 40 channel not operational
0 x 80 error A/D conversion
See channel 1
0 x 01 maintenance necessary
0 x 02 warnings / error present
Always 0
Meaning
0x01 -F- Fault
0x02 -C- Device in service mode
0x03 -M- Maintenance required
0x04 -S- Out of specification
TMT162
®
devices, e.g.
Endress+Hauser