ES-1899 Rev.7

18BW

Rack-mounted DCS Signal Conditioners 18-RACK

EXTENDER MODULE

Functions & Features
• Connecting the front terminals to the rear connector

MODEL: 18BW–[1]

ORDERING INFORMATION

• Code number: 18BW-[1]
Specify a code from below for [1].
  (e.g. 18BW-1)

[1] INTERNAL RESISTOR

1: None
2: 250 Ω
3: Jumper selectable (250 Ω)

GENERAL SPECIFICATIONS

Construction: Rack-mounted; terminal access via screw terminals on the front and connector on the rear; terminal cover provided
Connection: M3.5 screw terminals (torque 0.8 N·m) and connector
Screw terminal: Nickel-plated steel
Internal resistor
  18BW-1: None
  18BW-2: Connected when closing the terminals 3 – 4.
  18BW-3: Connected when closing the terminals 3 – 4; or select jumper on the PCB

INSTALLATION

Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Standard Rack 18BXx or 18KBXx
Weight: 150 g (0.33 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.1 % (with internal resistor)
Temp. coefficient: ±0.003 %/°C (±0.002 %/°F) (with internal resistor)

CONNECTION DIAGRAM

EXTERNAL DIMENSIONS unit: mm [inch]

TERMINAL ASSIGNMENTS