18KDY-A6A-R/SL [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18K-RACK;
| 型号： | 18KDY-A6A-R/SL |
| 厂家： | 
M-SYSTEM |
| 描述： | Rack-mounted DCS Signal Conditioners 18K-RACK DCS 分布式控制系统 |
| 文件： | 总3页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: 18KDY
Rack-mounted DCS Signal Conditioners 18K-RACK
[2] OPTIONS
Power Switch
blank: None
CURRENT LOOP SUPPLY
Functions & Features
/S: With power switch
/SL: With power switch (with green LED)
• Powering a 4 – 20 mA DC current loop
• Shortcircuit protection
• Applicable to smart transmitters
• Usable as Isolator for 4 – 20 mA DC signals
• Module can be retracted without removing wiring for an
insulation test
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
• Power switch optional
Connection
Input: M3.5 screw terminals (torque 0.8 N·m)
and connector
Typical Applications
• Various 2-wire transmitters
Output 1: Connector
Output 2: M3.5 screw terminals (torque 0.8 N·m)
and connector
Power input: Supplied from connector
Screw terminal: Nickel-plated steel
Isolation: Input to output 1 to output 2 to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
SUPPLY OUTPUT
MODEL: 18KDY–A6[1]–R[2]
Output voltage: 24 – 28 V DC with no load
Current rating: ≤ 22 mA DC
• Shortcircuit Protection
ORDERING INFORMATION
• Code number: 18KDY-A6[1]-R[2]
Specify a code from below for each of [1] and [2].
(e.g. 18KDY-A66-R/SL)
Current limited: 35 mA max.
Protected time duration: No limit
INPUT SPECIFICATIONS
■ DC Current: Input resistor incorporated
INPUT
Current
A: 4 – 20 mA DC (Input resistance 276 Ω)
OUTPUT SPECIFICATIONS
The output goes below 0 % when the input is open.
OUTPUT 1
Voltage
INSTALLATION
Current consumption:
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
Approx. 65 mA with voltage output
(approx. 70 mA with /SL)
[1] OUTPUT 2
Approx. 95 mA with current output
(approx. 100 mA with /SL)
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Standard Rack 18KBXx
Weight: 150 g (0.33 lb)
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
18KDY SPECIFICATIONS
ES-0426 Rev.7 Page 1/3
http://www.m-system.co.jp/
MODEL: 18KDY
PERFORMANCE in percentage of span
Accuracy: ±0.1 %
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: 500 V AC @ 1 minute (input to output 1
to output 2 to power to ground)
EXTERNAL VIEW
■ WITH POWER SWITCH
■ WITH POWER SWITCH (WITH GREEN LED)
7
8
7 8
5
1
6
2
5
1
6
Power Switch
Span Adj.
Power Switch
Span Adj.
Zero Adj.
Zero Adj.
Power LED
2
3
3
4
4
EXTERNAL DIMENSIONS unit: mm (inch)
2–M3
SCREW
8–M3.5
7 (.28)
SCREW
7 (.28)
24 (.94)
32 (1.26)
78 (3.07)
18KDY SPECIFICATIONS
ES-0426 Rev.7 Page 2/3
http://www.m-system.co.jp/
MODEL: 18KDY
TERMINAL ASSIGNMENTS
7
8
5
6
1
2
3
4
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Z
S
Isolation
Current
Limiter
Output
Driver
+
–
1
2
3
4
7
8
5
6
Module
Field Terminals
(Section A)
OUTPUT 2
Voltage /
Duty Cycle
Z
S
250Ω
Output
Driver
OUTPUT 1
OUTPUT 2
External
Field Terminals
(Section A)
2
*
POWER LED
1
*
POWER
*1. Power switch option
*2. Option code /SL
Note 1: Use either of module or external field terminals.
Note 2: For OUTPUT 2 with current output, use either of terminals on the front or connector on the rear.
Section A. Field Terminals
■ When Used as Current Loop Supply
■ When Used as Isolator
2-WIRE
TRANSMITTER
No
+
1
1
2
3
+
−
Connection
−
2
3
+
−
+
250Ω
4 - 20mA DC
MONITOR
1 - 5V DC
V
−
Specifications are subject to change without notice.
18KDY SPECIFICATIONS
ES-0426 Rev.7 Page 3/3
http://www.m-system.co.jp/
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