MODEL: FND Plug-in Signal Conditioners M-UNIT CURRENT LOOP SUPPLY

MODEL: FND Plug-in Signal Conditioners M-UNIT CURRENT LOOP SUPPLY
MODEL: FND
Plug-in Signal Conditioners M-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
• LCD meter (engineering unit display selectable)
• Simple loop test output (0 % and 100 %)
• High-density mounting
[2] OPTIONS
LCD meter (after function or low-end cutout)
blank: Without
/E: LCD meter (0.0 – 100.0 %)
/E2: With LCD display in engineering unit
with backlight and the simple loop test output
Typical Applications
• Various 2-wire transmitters
• Square root extractor application (4 – 20 mA input)
50
(1.97)
80
(3.15)
127
(5)
mm (inch)
MODEL: FND–[1][2]
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC
V: 48 V DC
P: 110 V DC (Not selectable with Option /E2)
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input or output to power
Overrange output: 0 – 105 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Display scaling: -10000 – +10000; ex-factory set to 0.00 –
100.00 (%)
Engineering unit: %, μV, mV, V, mA, A, °C, °F, Ω or DEG K,
mHz, Hz, kHz, VAC, AAC, mg, g, kg, t, rpm, rps selectable
Low-end cutout: Approx. 10 % (output)
Simple loop test output: 0 % and 100 % signal simulated by
selecting the front switch positions.
ORDERING INFORMATION
•Code number: FND-[1][2]
Specify a code from below for each [1], [2].
(e.g. FND-B/E2)
INPUT
Current
4 – 20 mA DC (Input resistance 250 Ω)
SUPPLY OUTPUT
Output voltage: 24 – 28 V DC with no load
Current rating: ≤ 22 mA DC
• Shortcircuit Protection
Current limited: 35 mA max.
Protected time duration: No limit
INPUT SPECIFICATIONS
OUTPUT
Voltage
1 – 5 V DC (Load resistance 500 Ω min.)
[1] POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
http://www.m-system.co.jp/
• DC Current: Input resistor incorporated
INSTALLATION
Power input
•AC: Operational voltage range: rating ±10 %, 50/60 ±2 Hz,
approx. 2 VA
(approx. 3 VA with Option /E2)
•DC: Operational voltage range: rating ±10 %, or 85 – 150 V
for 110 V rating (ripple 10 % p-p max.) approx. 2.6 W (110
mA at 24 V; approx. 3.6 W with Option /E2)
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
FND SPECIFICATIONS
ES-3214 Rev.8 Page 1/3
MODEL: FND
Mounting: Surface or DIN rail
Weight: 300 g (0.66 lbs)
PERFORMANCE in percentage of span
Accuracy: ±0.2 % (input 1 – 100 %)
Display accuracy: ± (0.2 % of FS + 1 digit) (Input 1 – 100 %)
Simple loop test output setting accuracy: ±0.5 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input or output
to power to ground)
EXTERNAL VIEW
■ OPTION/E
■ OPTION/E2
Zero Adj.
Span Adj.
Zero Adj.
Span Adj.
NEXT Key
Loop Test Selector
ENTER Key
Top
: 0% fixed
Middle : 100% fixed
Bottom : Cancel
(normal operating mode)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
107 (4.21)
127 (5)
5
4
3
7
8
1
2
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
50 (1.97)
6
80 (3.15)
80 (3.15)
35.4 (1.39)
DIN RAIL
35mm wide
40 (1.57)
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
http://www.m-system.co.jp/
FND SPECIFICATIONS
ES-3214 Rev.8 Page 2/3
MODEL: FND
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
*
Z
+ 3
250Ω
INPUT
S
Output
Driver
Square Root
Extractor
– 4
2-WIRE XMTR
PWR SUPPLY
– 5
+ 6
24V DC
Supply
LOOP TEST
SELECTOR
1 +
OUTPUT
**
2 –
7 U(+)
POWER
8 V(–)
Base Socket
* Option /E, E2
** Option /E2
■When Used as DC Supply
2-WIRE
TRANSMITTER
–
■When Used as Square Root Extractor
+ 3
+ 3
INPUT
– 4
+
250Ω
– 4
– 5
– 5
+ 6
+ 6
250Ω
Specifications are subject to change without notice.
http://www.m-system.co.jp/
FND SPECIFICATIONS
ES-3214 Rev.8 Page 3/3
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