ES-4245 Rev.9
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[1]
ORDERING INFORMATION
• Code number: 6FN-A[1]
Specify a code from below for [1].
(e.g. 6FN-A/A1/A2/A3)
INPUT
A
: 4 – 20 mA DC
[1] OPTIONS (multiple selections)
Package Includes (must be specified)
/AN
: Without (not compatible with /A1, /A2 or /A3.)
/A1
: Mounting bracket (model: A-01)
/A2
: Spring clip (model: A-02)
/A3
: DIN rail mounting plate (model: A-31)
Note: When using in combination with outdoor enclosure (model: 6BX-E), use a spring clip (model: A-02).
RELATED PRODUCTS
• Outdoor enclosure (model: 6BX-E)
PACKAGE INCLUDES...
■ Mounting bracket (option code: /A1)
• Mounting bracket (model: A-01): 1 pce.
• Mounting screw (M3 × 13 knurled knob): 2 pcs.
• Mounting screw (M3 × 6 flat-head screw): 4 pcs.
■ Spring clip (option code: /A2)
• Spring clip (model: A-02): 2 pcs.
• Mounting screw (M3 × 10 binding screw): 2 pcs.
■ DIN rail mounting plate (option code: /A3)
• DIN rail mounting plate (model: A-31): 1 pce.
• Mounting screw (M3 × 10 binding screw): 4 pcs.
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]
■ UNIT
■ SURFACE MOUNTING ADAPTER PLATE
■ SPRING CLIP
■ DIN RAIL MOUNTING PLATE
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM