18RK-56A-R [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18-RACK;型号: | 18RK-56A-R |
厂家: | M-SYSTEM |
描述: | Rack-mounted DCS Signal Conditioners 18-RACK DCS 分布式控制系统 |
文件: | 总3页 (文件大小:94K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL: 18RK
Rack-mounted DCS Signal Conditioners 18-RACK
OUTPUT 1
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
RTD CONVERTER
(fast response)
Functions & Features
[2] OUTPUT 2
• Accepting direct input from an RTD and providing two
standard process signals
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
• Linearization
• Burnout protection
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
• Second channel output available at the front terminals
and at the Standard Rack connector
• Fast response type
POWER INPUT
DC Power
R: 24 V DC
Typical Applications
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
• Converting into standard signals
• Power plant
[3] OPTIONS
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
MODEL: 18RK–[1]6[2]–R[3]
Input: M3.5 screw terminals (torque 0.8 N·m)
Output 1: Connector
Output 2: M3.5 screw terminals (torque 0.8 N·m)
and connector
ORDERING INFORMATION
• Code number: 18RK-[1]6[2]-R[3]
Specify a code from below for each of [1] through [3].
(e.g. 18RK-166-R/BL)
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 – 100°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)
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)
4: Pt 100 (JIS'97, IEC)
(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
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 20°C, 36°F)
0: Specify
Note: Consult M-System for 2-wire RTD
18RK SPECIFICATIONS
ES-1822 Rev.1 Page 1/3
http://www.m-system.co.jp/
MODEL: 18RK
INSTALLATION
Current consumption: 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 18BXx or 18KBXx
Weight: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.2 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: Approx. 25 msec. (0 – 90 %)
Burnout response: ≤ 10 sec.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input to output 1 or output 2 or power)
500 V AC @ 1 minute
(output 1 to output 2 to power)
1500 V AC @ 1 minute
(input or output or power to ground)
EXTERNAL DIMENSIONS unit: mm (inch)
2–M3
SCREW
8–M3.5
7 (.28)
SCREW
7 (.28)
24 (.94)
32 (1.26)
78 (3.07)
TERMINAL ASSIGNMENTS
7
8
5
6
1
2
3
4
18RK SPECIFICATIONS
ES-1822 Rev.1 Page 2/3
http://www.m-system.co.jp/
MODEL: 18RK
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Burnout
RTD
1
2
3
4
7
8
A
B
B
Z
S
Z
S
Isolation
Differential
Amplifier
Voltage/
Duty Cycle
Output
Driver
5
6
+
–
Linearizer
OUTPUT 2
Reference
Resistor
Constant
Current
Output
Driver
OUTPUT 1
OUTPUT 2
POWER
For OUTPUT 2 with current output, use either of terminals on the front or connector on the rear.
Specifications are subject to change without notice.
18RK SPECIFICATIONS
ES-1822 Rev.1 Page 3/3
http://www.m-system.co.jp/
相关型号:
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