ES-4245 Rev.8

6FN

Field-mounted Two-wire Signal Conditioners 6-UNIT

SQUARE ROOT EXTRACTOR

Functions & Features
• Providing a 4 – 20 mA DC signal proportional to the root of input signal
• Low-end cutout
• Rugged enclosure
Typical Applications
• Converting differential pressure to flow

MODEL: 6FN-A

ORDERING INFORMATION

• Code number: 6FN-A
• Mounting adapter (e.g. surface mounting adapter plate, model: A-01)
Note: When a mounting adapter is required, specify mounting adapter. Not included without specifying.

INPUT

A: 4 – 20 mA DC

RELATED PRODUCTS

• Outdoor enclosure (model: 6BX-E)

PACKAGE INCLUDES...

• Mounting adapter
 
surface mounting adapter plate (model: A-01)
  Spring clip (model: A-02)
  DIN rail mounting plate (model: A-31)

Note: When a mounting adapter is required, specify mounting adapter. Not included without specifying. 
When using in combination with outdoor enclosure (model: 6BX-E), use a spring clip (model: A-02).

GENERAL SPECIFICATIONS

Connection: M3 screw terminals (torque 0.6 N·m)
Screw terminal: Nickel-plated steel
Housing material: Diecast aluminum
Zero adjustment: 0 – 5 % (behind the access cover)
Span adjustment: 100 – 103 % (behind the access cover)
Low-end cutout: Approx. 10 % (output); curve characteristics shown in the figure below

OUTPUT SPECIFICATIONS

Output: 4 – 20 mA DC
Voltage drop per loop: ≤ 5 V

INSTALLATION

Supply voltage: Voltage required by differential pressure transmitter + 5 V
Operating temperature: -5 to +70°C (23 to 158°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: DIN rail with mounting plate A-31; surface mounting with adapter plate A-01; spring clip A-02 for 3-inch hub
Weight: 220 g (0.49 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.2 % (input 1 – 100 %)
Temp. coefficient: ±0.03 %/°C (±0.02 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Ripple: 0.1 %p-p max.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM