Key Features

1. Wide‑range high‑voltage power supply: 90–150 VDC (125 VDC nominal), 40 W nominal power consumption, 22 A inrush current @ 15 ms

2. Dual redundant magnetic pickup (MPU)/proximity switch speed inputs with torsional vibration filtering

3. Built‑in process control functions: dead‑band PID, cascade PID, differential‑pressure closed‑loop regulation

4. LON bus interface for LINKnet I/O expansion, compatible with pressure/temperature transmitters and auxiliary modules

5. 3 serial communication ports (RS‑232/422/485), Modbus RTU/ASCII protocol, compatible with Watch Window software and handheld programmer

6. Configurable fuel limiting, torque limiting, overspeed protection and comprehensive fault self‑diagnosis

7. Conformal‑coated PCB, anti‑vibration and anti‑EMI, certified for Class I Div 2 hazardous areas and marine applications

Electrical Specifications

• Power Supply: 90–150 VDC

• Speed Input: 2‑channel MPU, 400 Hz–15 kHz

• Communication: LON bus, RS‑232/422/485, Modbus RTU/ASCII

• Steady‑state Speed Accuracy: ±0.25% of rated speed

• Operating Temperature: −40 °C ~ +70 °C

• Certifications: CE, Class I Div 2 hazardous area compliant, Lloyd’s Register marine certified

Mechanical & Environmental Features

• Mounting: Front panel‑mount

• Dimensions: 412.8 × 292.1 × 60.4 mm (16.25×11.5×2.375 in)

• Weight: ~3.0 kg

• Low‑voltage equivalent: 8280‑464 (18–40 VDC)

Typical Applications

• Oil & gas reciprocating compressors and pipeline pump units

• Variable‑speed industrial gas engine process control

• Pressure‑flow closed‑loop regulation for heavy‑duty prime movers

• Refinery and oilfield power‑driven process equipment control