18VK-66A-R [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18-RACK;型号: | 18VK-66A-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:95K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL: 18VK
Rack-mounted DCS Signal Conditioners 18-RACK
[2] OUTPUT 2
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
SIGNAL CONVERTER
(fast response)
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
Functions & Features
• Converting a DC input into two standard process signals
• 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
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
Typical Applications
• Isolation between control room and field instrumentation
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)
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)
MODEL: 18VK–[1]6[2]–R
ORDERING INFORMATION
• Code number: 18VK-[1]6[2]-R
Specify a code from below for each of [1] and [2].
(e.g. 18VK-166-R)
INPUT SPECIFICATIONS
■ DC Current: Input resistor incorporated
■ DC Voltage: 0 – 300 V DC
Minimum span: 3 mV
• Special input range (For code 0)
[1] INPUT
Offset: Max. 1.5 times span
Input Resistance
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
D: 0 – 20 mA DC (Input resistance 50 Ω)
G: 0 – 1 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
Voltage
Span 3 – 10 mV : ≥ 10 kΩ
Span 10 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
Span ≥ 1 V : ≥ 1 MΩ
1: 0 – 10 mV DC (Input resistance 10 kΩ min.)
2: 0 – 100 mV DC (Input resistance 100 kΩ min.)
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
4: 0 – 10 V DC (Input resistance 1 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
0: Specify voltage (See INPUT SPECIFICATIONS)
OUTPUT SPECIFICATIONS
With the input voltage code 3, 4, 5, 6 and current, the
output goes below 0 % when the input is open.
OUTPUT 1
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
18VK SPECIFICATIONS
ES-1823 Rev.1 Page 1/3
http://www.m-system.co.jp/
MODEL: 18VK
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: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: Approx. 25 msec. (0 – 90 %)
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
18VK SPECIFICATIONS
ES-1823 Rev.1 Page 2/3
http://www.m-system.co.jp/
MODEL: 18VK
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Z
S
Z
S
Isolation
Low Drift
Amplifier
Voltage/
Duty Cycle
Output
Driver
+
–
1
2
3
4
7
8
5
6
+
–
INPUT
OUTPUT 2
*
Output
Driver
OUTPUT 1
OUTPUT 2
POWER
*Input shunt resistor incorporated for current input
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.
18VK SPECIFICATIONS
ES-1823 Rev.1 Page 3/3
http://www.m-system.co.jp/
相关型号:
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