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