ES-1424 Rev.8
FDL
Space-saving Plug-in Signal Conditioners F-UNIT
CURRENT LOOP SUPPLY
(with square root extractor; non-isolated)
Functions & Features
• Powering a 4 – 20 mA DC current loop
• Square root extraction
• Shortcircuit protection
• Applicable to smart transmitters
• High-density mounting
Typical Applications
• Various 2-wire transmitters
MODEL: FDL–24–[1][2]
ORDERING INFORMATION
• Code number: FDL-24-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. FDL-24-L/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)
SUPPLY OUTPUT
24
: 24 V DC
INPUT
Current
4 – 20 mA DC (Input resistance 250 Ω)
OUTPUT
Voltage
1 – 5 V DC (Load resistance 10 kΩ min.)
[1] POWER INPUT
AC Power
K
: 85 – 132 V AC
(Operational voltage range 85 – 132 V, 47 – 66 Hz)
L
: 170 – 264 V AC
(Operational voltage range 170 – 264 V, 47 – 66 Hz)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[2] OPTIONS
blank
: none
/Q
: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
GENERAL SPECIFICATIONS
Construction
: Plug-in
Connection
: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal
: Nickel-plated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (black)
Isolation
: Input or output to power
Overrange output
: 0 to 120 % at 1 – 5 V
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Low-end cutout
: Approx. 5 – 8 % (output)
SUPPLY OUTPUT
Output voltage
: 24 – 28 V DC with no load
Current rating
: ≤ 22 mA DC
•
Shortcircuit Protection
Current limited
: 30 mA max.
Protected time duration
: No limit
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
INSTALLATION
Power consumption
•
AC
: Approx. 4.5 VA
•
DC
: 24 V approx. 70 mA
110 V approx. 20 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail; Standard Rack Mounting Frame BX-16H available
Weight
: 200 g (0.44 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.3 % (input 1 – 100 %)
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect
Supply output
: ±3 % over voltage range
Output signal
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
Power input code R:
2000 V AC @ 1 minute (input or output or power to ground)
500 V AC @ 1 minute (I/O to power)
Power input code K, L, P:
2000 V AC @ 1 minute (input or output or power to ground)
1500 V AC @ 1 minute (I/O to power)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM