
4–20 mARelayFieldbusModbus
REGARD 3900 · Controller
REGARD 3900 Series
4–20 mARelayFieldbusModbus
The Dräger REGARD 3900 series is a modular control system that can work standalone with up to 16 configurable measuring channels. Input, relay and 4–20 mA output modules adapt it to the plant, and the Modbus Gateway links it to the RVP 3900 panel. It offers SIL 1/2, IP65, an ABS OV housing, 230 V AC / 24 V DC supply and 0–55 °C operation.
- OUTPUTS
- 4–20 mA · Relay · Fieldbus · Modbus
Description and features
The Dräger REGARD 3900 series is a modular control system that can work standalone with up to 16 configurable measuring channels. Input, relay and 4–20 mA output modules adapt it to the plant, and the Modbus Gateway links it to the RVP 3900 panel. It offers SIL 1/2, IP65, an ABS OV housing, 230 V AC / 24 V DC supply and 0–55 °C operation.
01Up to 16 configurable measuring channels
02Relay modules and 4–20 mA analogue output (repeater) module
03Modbus Gateway from CAN bus to Modbus RTU, link to RVP 3900
04SIL 1/2; IP65 ABS OV housing, 41.5x30.5x17.5 cm
05ATEX, CE, performance and shipping approval
Technical data
- BRAND
- Dräger
- MODEL
- REGARD 3900 Series
- OUTPUTS
- 4–20 mA · Relay · Fieldbus · Modbus
- CHANNELS / DETECTORS
- 16
- SIL LEVEL
- SIL 1/2
- IP RATING
- IP65
- OPERATING TEMPERATURE
- 0–55 °C
- POWER SUPPLY
- 230 V AC / 24 V DC
- HOUSING
- ABS OV
- OTHER APPROVALS
- ATEX, CE marking, Performance approval, Shipping approval
- DIMENSIONS
- 41.5x30.5x17.5 cm
- WEIGHT
- 11.02 lb (5 kg)
- COMPATIBLE ITEMS
- REGARD 3900 Modbus Gateway · RVP 3900 · Config 3900
Documents and certificates
ATEX ATEXOther CE markingOther Performance approvalOther Shipping approval




