Key Features

1. Wide‑range low‑voltage power supply: 18–40 VDC (24/32 VDC nominal), 40 W nominal power consumption, 7 A inrush current @ 0.1 ms

2. Dual redundant magnetic pickup (MPU)/proximity switch speed inputs, supporting engine and turbocharger speed monitoring

3. Core integrated functions: speed governing, air‑fuel ratio control, ignition timing control, multi‑channel auxiliary PID control

4. Supports LINKnet I/O expansion, compatible with pressure, temperature and other process sensors

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

6. 4 programmable analog outputs, 2 relay alarm/shutdown outputs, complete engine protection and fault self‑diagnosis

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

Electrical Specifications

• Power Supply: 18–40 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

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

• High‑voltage counterpart: 8280‑599 (90–150 VDC)

Typical Applications

• Reciprocating gas compressors and pipeline pump units in oil & gas fields

• Performance control of variable‑speed industrial gas engines

• Integrated monitoring and air‑fuel ratio management for turbocharged engines

• Speed governing and protection for heavy‑duty power equipment in oilfields and refineries