Products Description
Bender EDS490-D-2 Monitor

Core Performance & Industrial Application
The Bender EDS490-D-2 (B91080010) is an 8-channel NAMUR signal evaluation unit for monitoring sensor contacts in hazardous-area and safety circuits.
Parallel 10 s scanning of all 8 channels; 2 common alarm relays plus 12 channel contact outputs; RS485 BMS communication with 300-event memory.
Sensitivity 2-10 mA; supply AC/DC 70-276 V, 42-460 Hz; -40℃ ~ +85℃ operation.
It evaluates NAMUR sensors (switchgear position, door/level) and reports faults to the building/control system.
Technical Specifications
▶ Product type: NAMUR multi-channel evaluation unit
▶ Brand: Bender
▶ Model: EDS490-D-2; order B91080010
▶ Channels: 8 NAMUR inputs; 10 s parallel scan
▶ Supply: AC/DC 70-276 V, 42-460 Hz
▶ Sensitivity: 2-10 mA; 2 common alarm relays + 12 channel contacts
▶ Communication: RS485 BMS; 300-event fault memory
▶ Environment: -40℃ ~ +85℃
▶ Feature: Channel LED indication, relay output matrix, serial logging
▶ Note: Channel wiring and relay assignment confirmed from nameplate before ordering
▶ Country of origin: Germany
▶ Compliance: CE, UL certification

Industry Applications
Applied in switchgear/room safety monitoring, fire and BMS integration and NAMUR sensor circuit spare replacement.
Note: Confirm channel count, relay logic and BMS address against nameplate before ordering