ABB Endura AZ40 Gebruiksaanwijzing - Pagina 2
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Contents
1 Health & Safety ..........................................................3
1.1
Document symbols ...................................................... 3
1.2
Safety precautions ....................................................... 3
1.3
Potential safety hazards ............................................... 3
1.3.1 Process conditions and requirements ............... 3
in probe assembly ............................................ 4
to pressurized process ..................................... 4
temperature on exposed parts .......................... 4
1.3.5 Endura AZ40 sensor - weight ........................... 4
1.3.6 Endura AZ40 analyzer - electrical ..................... 5
1.3.7 Endura AZ40 transmitter - weight ..................... 5
1.4
Safety standards .......................................................... 5
1.5
Product symbols .......................................................... 5
1.6
Product recycling and disposal (Europe only) ............... 6
1.6.1 End-of-life battery disposal ............................... 6
1.7
Restriction of Hazardous Substances (RoHS) .............. 6
2 Communications overview ........................................6
2.1
RS485 MODBUS ......................................................... 6
3 Communication level .................................................7
4 MODBUS communications .......................................8
4.1
Host computer serial communications ......................... 8
4.2
Two-wire and four-wire connection .............................. 9
4.3
Pull-up and pull-down resistors .................................... 9
4.4
Termination resistor ..................................................... 9
4.5
Serial connections ........................................................ 9
Appendix A - MODBUS tables ...................................10
A.1
Digital inputs .............................................................. 10
A.1.1 Sensor reading diagnostics ............................ 10
A.1.2 Transmitter function diagnostics ..................... 10
failure alarms .................................................. 10
function alarms ............................................... 10
out of specification alarms .............................. 10
maintenance alarms ....................................... 10
A.1.7 Media card diagnostics ................................... 11
A.1.8 Relay state diagnostics ................................... 11
A.1.9 Alarm state diagnostics .................................. 11
A.2
Digital outputs ............................................................ 11
A.2.1 Alarm acknowledgement ................................ 11
2 COM/AZ40/MOD-EN Rev. A | Endura AZ40 | Oxygen and carbon monoxide equivalent (COe) analyzer
A.3
Read-only, single precision float ................................. 11
A.3.1 Measurement values ....................................... 11
A.3.2 Measurement range limits ............................... 11
A.3.7 Calibration timer .............................................. 12
A.3.8 Analog outputs ............................................... 12
A.4
Read only 32 bits ....................................................... 12
A.4.1 Transmitter date ............................................. 12
A.4.2 Scheduled events ........................................... 12
A.5
Read only 16 bits ....................................................... 12
A.5.1 Sensor hardware version ................................ 12
A.5.2 Mains voltage ................................................. 12
A.6
Read-only 8 bits ......................................................... 12
A.6.1 Sensor type .................................................... 12
A.6.2 Media card version ......................................... 12
A.7
Read-only strings ....................................................... 12
A.8
Writable floats ............................................................ 13
A.8.1 Alarm settings ................................................. 13
A.8.2 Analog output settings .................................... 13
A.8.3 Sensor calibration standards ........................... 13
A.9
Writable 32 bits .......................................................... 13
A.9.1 Scheduled calibration events .......................... 13
A.10 Writable 16 bits .......................................................... 13
A.10.1 Alarm time hysteresis ..................................... 13
A.11 Writable 8 bits ............................................................ 14
A.11.1 Measurement units ........................................ 14
A.11.2 Operator page templates ............................... 14
A.11.3 Data view / log enables .................................. 14
A.11.4 Date display settings ...................................... 15
A.11.5 Alarm settings ................................................ 15
A.11.6 Analog output settings ................................... 16
A.11.7 Digital I/O (relay) settings ................................ 16
A.12 Writable strings .......................................................... 17
A.12.1 16 Byte strings ............................................... 17
A.12.2 3 Byte strings ................................................. 17
A.13 Engineering ranges .................................................... 17
Appendix B - Acknowledgements ............................ 18
Notes .......................................................................... 19