Features:
- Signal specification: 4..20 mA
- Number of channels: 8
- HART support: Yes
AO845A integrates 8 channels into the ABB S800 platform.
Assess signal limits, isolation, update time and diagnostics as one design.
Use a compatible MTU and verify the field loop before commissioning AO845A.
Verified resources for ABB AO845A:
Signal Data:
- Signal specification: 4..20 mA
- Number of channels: 8
- HART support: Yes
Apply official AO845A limits to the complete field circuit.
Diagnostics:
- F(ault), R(un), W(arning), O(SP)
- Module Error, Module Warning, Channel error
Resolve all AO845A diagnostics before operation.
Compatibility:
- Compatible MTUs: TU810, TU812, TU814, TU830, TU833, TU842, TU843 or TU852
- Verify module keying
- Confirm controller support
Match AO845A to an approved ABB S800 configuration.
Installation Check:
- Check signal and field power
- Verify MTU and channel mapping
- Perform end-to-end tests
Document testing after installing AO845A.