Modular RS485 comms

The WEMS RS485 communications module provides connectivity via twisted-pair cable (Belden 9841). This is typically used for connecting RS485/Modbus enabled equipment.

 

Features

  • Pluggable, snap-fit modular system
  • Long cable length, up to 1,000m
  • Excellent noise rejection
  • Isolation and fault protection
  • DIN rail mount
  • Status LEDs

Specification

Temperature & humidity

Operating temperature range -10 to +50°C

Operating humidity <75% RH (Non condensing)

Storage temperature -20 to +85°C

Storage humidity <90% RH (non-condensing)

Cooling Convection

 

Power

Supply voltage Modular bus powered

Current consumption 0.350W max

 

Comms

Signal rate 250kbps max

Differential input voltage +/- 12V

Reciever output current 24mA

Misc

Enclosure UL94-VO flame retardant PC, IP20 rated

Mounting 35mm DIN rail (EN 50022, BS 5584, DIN 46277-3)

MTBF (hours) 2,365,778

 

Weight & dimensions

Weight 63g (with 3 way connector)

Width 25mm

Height 102mm

Depth 58mm

Compliance

EMC

EN 301 489: Electromagnet compatibility

EN 61000: Electromagnet compatibility

Safety

EN 60950: Information technology equipment

EN 60730: Automatic electrical controls

EN 50366: Domestic equipment

 

Certifications

modular-4-accreds 

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