MODEL: KWDNY Plug-in Signal Conditioners K-UNIT CURRENT LOOP SUPPLY

MODEL: KWDNY Plug-in Signal Conditioners K-UNIT CURRENT LOOP SUPPLY
MODEL: KWDNY
Plug-in Signal Conditioners K-UNIT
CURRENT LOOP SUPPLY
(isolated two outputs; with square rootextractor)
Functions & Features
• Powering a 4 – 20 mA DC current loop
• Square root extraction
• Shortcircuit protection
• Applicable to smart transmitters
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Various 2-wire transmitters
• Square root extractor application (4 – 20 mA input)
50
(1.97)
80
(3.15)
K-UNIT
132
(5.20)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3: 0 – 1 V DC (Load resistance 1000 Ω min.)
4: 0 – 10 V DC (Load resistance 10 kΩ min.)
5: 0 – 5 V DC (Load resistance 5000 Ω min.)
6: 1 – 5 V DC (Load resistance 5000 Ω min.)
4W: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W: -5 – +5 V DC (Load resistance 5000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
[2] OUTPUT 2
Current
A: 4 – 20 mA DC (Load resistance 350 Ω max.)
B: 2 – 10 mA DC (Load resistance 700 Ω max.)
C: 1 – 5 mA DC (Load resistance 1400 Ω max.)
D: 0 – 20 mA DC (Load resistance 350 Ω max.)
E: 0 – 16 mA DC(Load resistance 430 Ω max.)
F: 0 – 10 mA DC (Load resistance 700 Ω max.)
G: 0 – 1 mA DC (Load resistance 7000 Ω max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
Same range availability as Output 1
mm (inch)
[3] POWER INPUT
MODEL: KWDNY–[1][2]–[3]
ORDERING INFORMATION
• Code number: KWDNY-[1][2]-[3]
Specify a code from below for each [1]through [3].
(e.g. KWDNY-A6-B)
• Special output range (For codes Z & 0)
Note: When the user requires a current and a voltage
output, specify the current to be the Output 1 which allows
a greater load.
INPUT
Current
4 – 20 mA DC (Input resistance 250 Ω)
[1] OUTPUT 1
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
B: 2 – 10 mA DC (Load resistance 1200 Ω max.)
C: 1 – 5 mA DC (Load resistance 2400 Ω max.)
D: 0 – 20 mA DC (Load resistance 600 Ω max.)
E: 0 – 16 mA DC (Load resistance 750 Ω max.)
F: 0 – 10 mA DC (Load resistance 1200 Ω max.)
G: 0 – 1 mA DC (Load resistance 12 kΩ max.)
http://www.m-system.co.jp/
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
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input to output 1 to output 2 to power
Overrange output: 0 – 105 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Low-end cutout: Approx. 10 % (output)
KWDNY SPECIFICATIONS
ES-3599 Rev.7 Page 1/3
MODEL: KWDNY
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
• DC Current: Input resistor incorporated
OUTPUT SPECIFICATIONS
• DC Current: 0 – 20 mA DC
Minimum span: 1 mA
Offset: Max. 1.5 times span
Load resistance: Output drive 12 V max. for Output 1;
7 V max. for Output 2
• DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 1 mA max. at ≥ 0.5 V
INSTALLATION
Power input
AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3 VA
DC: Operational voltage range: rating ±10 %
ripple 10 %p-p max., approx. 3 W (125 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lbs)
PERFORMANCE in percentage of span
Accuracy: ±0.3 % (input 1 – 100 %)
Temp. coefficient: ±0.02 %/°C (±0.01 %/°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 to output to power to ground)
1000 V AC @ 1 minute (output 1 to output 2)
http://www.m-system.co.jp/
KWDNY SPECIFICATIONS
ES-3599 Rev.7 Page 2/3
MODEL: KWDNY
DIMENSIONS unit: mm (inch)
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
DIN RAIL
35mm wide
8
7
6
5
2–4.5 (.18) dia.
MTG HOLE
25 (.98) deep
11–M3.5
SCREW
50 (1.97)
80 (3.15)
80 (3.15)
35.4 (1.39)
4
9
3
10 11
1
2
40 (1.57)
103 (4.06)
[3.3 (.13)]
132 (5.20)
50 (1.97)
• When mounting, no extra space is needed between units.
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Isolation
Low Drift
Amplifier
+ 5
INPUT
– 6
2-WIRE XMTR
PWR SUPPLY
S
Output
Driver
1 +
OUTPUT 1
2 –
250 Ω
+ 4
Z
Square Root
Extractor
Z
24 V DC
Supply
S
Output
Driver
3
10 +
OUTPUT 2
11 –
9
7 U(+)
POWER
8 V(–)
Base Socket
■ When Used as DC Supply
2-WIRE
TRANSMITTER
–
■ When Used as Square Root Extractor
+ 5
+ 5
250 Ω
+
250 Ω
INPUT
– 6
– 6
+ 4
+ 4
Specifications are subject to change without notice.
http://www.m-system.co.jp/
KWDNY SPECIFICATIONS
ES-3599 Rev.7 Page 3/3
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