18SN-A0 [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18-RACK;
| 型号： | 18SN-A0 |
| 厂家： | 
M-SYSTEM |
| 描述： | Rack-mounted DCS Signal Conditioners 18-RACK DCS 分布式控制系统 |
| 文件： | 总2页 (文件大小：89K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: 18TG
Rack-mounted DCS Signal Conditioners 18-RACK
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
TACHOGENERATOR CONVERTER
Functions & Features
Connection
• Converting an AC voltage from a tachogenerator
(tachometer) into two standard process signals
• Second channel output available at the front terminals
and at the Standard Rack connector
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: 0 to 120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Typical Applications
• Measuring rotating or moving speed of multispeed motors,
belt conveyers, metering pumps
INPUT SPECIFICATIONS
Input: 0 – 250 V AC
Minimum span: 50 mV
Input resistance: ≥ 200 kΩ
Frequency: 100 Hz min., 1 kHz max. with 100 % input
MODEL: 18TG–[1]66–R
INSTALLATION
Current consumption: Approx. 35 mA
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)
ORDERING INFORMATION
• Code number: 18TG-[1]66-R
Specify a code from below for [1].
(e.g. 18TG-166-R)
• Special input range (For code U)
PERFORMANCE in percentage of span
Accuracy: ±0.2 % (excluding ≤ 15 Hz)
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Ripple: 0.5 %p-p max. (100/120 Hz)
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
[1] INPUT
Voltage
1: 0 – 35 V AC (Input resistance 200 kΩ min.)
U: Specify voltage (See INPUT SPECIFICATIONS)
(0 % input must be 0 V.)
OUTPUT 1
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
(output 1 to output 2 to power)
1500 V AC @ 1 minute
OUTPUT 2
(input or output or power to ground)
Voltage
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.)
18TG SPECIFICATIONS
ES-1839 Rev.6 Page 1/2
http://www.m-system.co.jp/
MODEL: 18TG
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
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Z
S
Z
S
Isolation
AC
Amplifier
RMS
Operation
Output
Driver
1
2
3
4
7
8
5
+
–
INPUT
OUTPUT 2
6
Output
Driver
OUTPUT 1
OUTPUT 2
POWER
Specifications are subject to change without notice.
18TG SPECIFICATIONS
ES-1839 Rev.6 Page 2/2
http://www.m-system.co.jp/
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