18KRS-36A-R/S [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18K-RACK;型号: | 18KRS-36A-R/S |
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:108K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL: 18KRS
Rack-mounted DCS Signal Conditioners 18K-RACK
[2] OUTPUT 2
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
RTD CONVERTER
Functions & Features
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
• Accepting direct input from an RTD and providing two
standard process signals
• Linearization
POWER INPUT
• Burnout protection
DC Power
• Module can be retracted without removing wiring for an
insulation test
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
• Power switch optional
[3] OPTIONS (multiple selections)
Power Switch
Typical Applications
• Converting into standard signals
• Power plant
blank: None
/S: With power switch
Burnout
blank: Upscale burnout
/BL: Downscale burnout
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
Connection
Input: M3.5 screw terminals (torque 0.8 N·m)
and connector
MODEL: 18KRS–[1]6[2]–R[3]
Output 1: Connector
ORDERING INFORMATION
• Code number: 18KRS-[1]6[2]-R[3]
Specify a code from below for each of [1] through [3].
(e.g. 18KRS-466-R/S/BL)
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)
Linearization: Standard
• Temperature range (e.g. 0 – 500°C)
[1] INPUT RTD (2- or 3-wire)
1: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 30°C, 54°F)
3: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F)
4: Pt 100 (JIS'97, IEC)
INPUT SPECIFICATIONS
Maximum leadwire resistance: 20 Ω per wire (3-wire)
Sensing current: 2 mA
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F)
5: Pt 50 Ω (JIS'81)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 60°C, 108°F)
6: Ni 508.4 Ω
INSTALLATION
Current consumption:
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 20°C, 36°F)
0: Specify
Approx. 35 mA with voltage output
Approx. 65 mA with current output
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)
Note: Consult M-System for 2-wire RTD
OUTPUT 1
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
18KRS SPECIFICATIONS
ES-0414 Rev.3 Page 1/3
http://www.m-system.co.jp/
MODEL: 18KRS
PERFORMANCE in percentage of span
Accuracy: ±0.2 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Burnout response: ≤ 10 sec.
Line voltage effect: ±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
7
8
5
1
6
2
Power Switch
Span Adj.
Zero Adj.
3
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)
18KRS SPECIFICATIONS
ES-0414 Rev.3 Page 2/3
http://www.m-system.co.jp/
MODEL: 18KRS
TERMINAL ASSIGNMENTS
7
8
5
6
1
2
3
4
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Burnout
1
Z
S
Z
S
Isolation
Module
Field Terminals
(Section A)
Differential
Amplifier
Voltage/
Duty Cycle
Output
Driver
2
3
4
7
8
5
6
+
–
Linearizer
OUTPUT 2
Reference
Resistor
Constant
Current
Output
Driver
OUTPUT 1
OUTPUT 2
External
Field Terminals
(Section A)
*
POWER
*Power switch option
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
RTD
A
B
B
1
2
3
Specifications are subject to change without notice.
18KRS SPECIFICATIONS
ES-0414 Rev.3 Page 3/3
http://www.m-system.co.jp/
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