ABB EasyLine EL3000 - Page 98

98 EL3000 CONTINUOUS GAS ANALYZERS | OI/EL3000-EN REV. D
… 6 Electrical connections
… Digital I/O module
Standard assignment of digital inputs and digital outputs
Function
Digital I/O Module 1
Digital I/O Module 2
Failure
Maintenance required
Maintenance mode
Overall status
DO1
Start automatic calibration
DI1
Stop automatic calibration
Disable automatic calibration
DI2
Sample gas valve
DO4
Zero point gas valve
Span gas valve 1
Span gas valve 2
Span gas valve 3
Span gas valve 4
Span gas valve 5
Pump, on/off*
Limit 1
DO2
Limit 2
DO3
Limit 3
DO1
Limit 4
DO2
Limit 5
DO3
Limit 6
DO4
Limit 7
Limit 8
Limit 9
Limit 10
Measuring range switch
-over
Measuring range feedback
Measuring component switch-over
Measuring component feedback
Bus-DI 1
Bus-DI 2
Bus-DI 3
Bus-DI 4
Bus
-DI 5
Bus-DI 6
Bus
-DI 7
Bus-DI 8
External failure**
DI3
External maintenance request**
DI4
* If a pump is installed (‘Integral gas feed’ option – only in model EL3020, not for Limas23, ZO23, Fidas24).
** Multiple external status signals can be configured depending on the number of free digital inputs.
Note
The allocation of the terminals (see Configuring signal inputs and outputs on page 152) can be changed in the configurator.