Xe-145M / Xe-145F
Direct successor to Intellisys on R-Series mid-frame. Sensor layout is largely carried over from Intellisys, so field wiring is familiar, but the I/O connectors and firmware setpoints are all new.
- IR R-Series R55–R160 fixed & VSD
- Nirvana N55–N160 (newer packages)
- MSG Centac (limited)
- Native sequencing up to 8 units (ICS)
- Trend and event log with USB export
- Web dashboard (Xe-145F) for read-only status
- Adaptive delay-load-unload timing on VSD packages
- Automatic restart after power failure (configurable)
- Ethernet Modbus TCP
- RS-485 Modbus RTU
- USB service port
- IR ICS sequencing (native)
- Optional Profibus / Profinet / EtherNet-IP gateway
- Airend discharge temp (PT1000)
- Package discharge pressure (4–20 mA)
- Sump pressure (4–20 mA)
- Coolant filter ΔP
- Separator ΔP
- Motor winding PT100 (option)
- Cooler cleanliness & fan
- Coolant level & thermostatic valve
- Verify PT1000 resistance vs table
- Motor cooling airflow
- Load / duty cycle
- Test PT100 continuity
- Confirm actual ΔP
- Replace separator, filter, coolant kit
- Replace filter
- Sample coolant for contamination
- Reset overload
- Verify FLA & phase balance
- Check for airend drag
- Verify 3 phases at disconnect
- Check phase-monitor relay
- Swap two phases for rotation
- Verify unload setpoint & deadband
- Inlet valve closes fully?
- MPCV bypass on VSD units
- Release E-stop
- Check remote E-stop loop wiring
- Inspect harness & shield
- Test sensor against reference
- Check RS-485 wiring & termination
- Verify drive powered & node address
- Reflash drive parameters if replaced
Fault list is non-exhaustive and firmware-dependent. Always confirm against the controller’s on-screen help or OEM manual.
- 24 VDC control power from onboard PSU — do not backfeed from customer 24 V
- Sensor harness uses shielded cable — ground shield at controller end only
- VSD packages use RS-485 (Modbus RTU) to the drive — 120 Ω termination at both ends
Pinouts distilled from OEM wiring diagrams. Exact silk-screen labels and pin numbering vary by hardware revision and package options — always confirm against the machine’s as-built wiring diagram before landing a wire.
- X1 – 24 VDC control power from unit PSU
- X2 – PT1000 / PT100 temperature harness (airend, motor, injection)
- X3 – 4–20 mA transducer harness (package, sump, optional ambient)
- X4 – digital outputs to starter or drive enable (main, star, delta, blowdown, load)
- X5 – digital inputs (remote start/stop, E-stop, sequencer, condensate float)
- X6 – Modbus RTU (RS-485) to VSD and/or sequenced machines
- X7 – Ethernet RJ45 for Modbus TCP and web dashboard
- Early firmware could false-trip "VSD Communication Loss" — update to latest revision
- Membrane keypad on Xe-145M susceptible to solvent damage — clean with IPA only
- USB port on front panel is service-only — do NOT leave a stick installed for logging
Two access levels above operator: Technician (customer) and Service (IR only). Default technician PIN is often 2003 on new commissioning but MUST be changed. Service-level access is IR-locked and cannot be reset in the field.
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