18KPR-11-R/S [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18K-RACK;型号: | 18KPR-11-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4页 (文件大小:125K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL: 18KPR
Rack-mounted DCS Signal Conditioners 18K-RACK
[3] OPTIONS
Power Switch
blank: None
PULSE SCALER
Functions & Features
/S: With power switch
• Takes pulse measurements from turbine meters or
volumetric flowmeters and outputs in convenient
engineering unit
CAUTION
1) This unit's output waveform is not uniform due to its
• Module can be retracted without removing wiring for an
insulation test
scaling method.
2) Use input relays which do not cause chattering (e.g.
mercury relays). Other relays could be used only with a CR
filter, for 10 Hz at maximum.
• Optional power switch
3) Use M-System’s Model M2PRU instead of this unit in
conjunction with the pulse output from M-System’s power
transducers.
R
C = 1 µF
R = 10kΩ
PULSE
SCALER
Relay
C
MODEL: 18KPR–[1][2]–R[3]
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
ORDERING INFORMATION
• Code number: 18KPR-[1][2]-R[3]
Specify a code from below for each [1] through [3].
(e.g. 18KPR-11-R/S)
Connection
Input: M3.5 screw terminals (torque 0.8 N·m)
and connector
• Input Range (e.g. 0 - 356.7 Hz)
• Output Range (e.g. 0 - 1.00 Hz)
Output: M3.5 screw terminals (torque 0.8 N·m)
and connector
Power: Supplied from connector
[1] INPUT
1: Dry contact (max. 100 kHz)
Screw terminal: Nickel-plated steel
Isolation: Input to output to power
2: Voltage pulse (max. 100 kHz)
Input pulse sensing: Capacitor coupled; detecting pulse rise
Sensitivity adjustment: Single-turn screwdriver adjustment
(front); 25 mVp-p – 5 Vp-p
[2] OUTPUT
1: Open collector (max. frequency 20 kHz)
2: 5 V pulse (max. frequency 20 kHz)
3: Relay contact (max. frequency 2 Hz)
4: 24 V pulse (max. frequency 20 Hz)
Scaling factor adjustment: 10-position rotary switch; 0.9999
× 10 – 0.0001 × 10–6
0
POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
18KPR SPECIFICATIONS
ES-0460 Rev.1 Page 1/4
http://www.m-system.co.jp/
MODEL: 18KPR
Relay life: ≥ 5 × 10
≥ 10 cycles (electrical)
■ 5 V Pulse
Frequency range: 0 – 20 kHz
7
cycles (mechanical)
INPUT SPECIFICATIONS
■ Dry Contact: Mechanical contact or open collector
Max. frequency: 100 kHz
5
Pulse width time requirement: 5 μsec. min. (20 msec. min.
for frequencies ≤ 10 Hz)
Low pulse width: Approx. 30 μsec.
High level: 5 V ±10 %
Sensing: Approx. 7.5 V DC @ 1 mA
ON/OFF level: ≤ 20 kΩ for ON, ≥ 100 kΩ for OFF
■ Voltage Pulse: Square or sine waveforms*
Max. frequency: 100 kHz
Low level: ≤ 0.5 V
Load resistance: 600 Ω minimum
■ 24 V Pulse
Frequency range: 0 – 20 Hz
High pulse width: Approx. 30 msec.
High level: 24 V ±10 %
Pulse width time requirement: 5 μsec. min. (20 msec. min.
for frequencies ≤ 10 Hz)
Input amplitude: 25 mVp-p – 50 Vp-p
Minimum amplitude requirement
•With duty ratio 50 ±10 %
Low level: ≤ 0.5 V
Load current: 30 mA max.
Load resistance: 800 Ω minimum
(frequency: amplitude)
0 – 2 kHz: 25 mVp-p
0 – 20 kHz: 50 mVp-p
INSTALLATION
0 – 40 kHz: 1 Vp-p
Current consumption: Approx. 80 mA
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)
0 – 100 kHz: 5 Vp-p
•With duty ratio other than 50 ±10 %
(pulse width: amplitude)
5 μsec.: 5 Vp-p
10 μsec.: 3.5 Vp-p
50 μsec.: 2 Vp-p
PERFORMANCE
100 μsec.: 1 Vp-p
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 500 V AC @ 1 minute (input to output to
power to ground )
500 μsec.: 0.5 Vp-p
Input impedance: 100 kΩ minimum
*Voltage pulse examples
25mV – 50V
0V
25mV – 50V
0V
25mV p-p
– 50V p-p
0V
OUTPUT SPECIFICATIONS
■ Open Collector: 50 V DC @ 50 mA (resistive load)
Frequency range: 0 – 20 kHz
ON pulse width: Approx. 30 μsec.
Saturation voltage: 0.6 V DC
■ Relay Contact: 120 V AC @ 200 mA (cos ø = 1)
240 V AC @ 100 mA (cos ø = 1)
24 V DC @ 200 mA (resistive load)
Maximum switching voltage: 240 V AC or 30 V DC
Maximum switching power: 24 VA or 4.8 W
Minimum load: 5 V DC @ 10 mA
Frequency range: 0 – 2 Hz
ON pulse width: Approx. 30 msec.
18KPR SPECIFICATIONS
ES-0460 Rev.1 Page 2/4
http://www.m-system.co.jp/
MODEL: 18KPR
EXTERNAL VIEW
■ FRONT VIEW
■ SIDE VIEW
• Without Power Switch
7
8
Connector
5
1
6
2
Sensitivity Adj.
Scaling Factor Adj.
Rotary Switches
(A) 10-1
(B) 10-2
(C) 10-3
(D) 10-4
(E) 10-n
3
4
• With Power Switch
7
8
5
1
6
2
Power Switch
Sensitivity Adj.
3
4
Refer to the instruction manual for detailed procedures.
EXTERNAL DIMENSIONS unit: mm (inch)
2–M3
SCREW
8–M3.5
7 (.28)
SCREW
7 (.28)
24 (.94)
32 (1.26)
78 (3.07)
18KPR SPECIFICATIONS
ES-0460 Rev.1 Page 3/4
http://www.m-system.co.jp/
MODEL: 18KPR
TERMINAL ASSIGNMENTS
7
8
5
6
1
2
3
4
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
SCALING
FACTOR ADJ.
SENSITIVITY
ADJ.
*
+7.5 V
Isolation
Pulse Volt.
Amplifier
Output
Driver
One-Shot
Module
Field Terminals
(Section A)
1
2
3
4
7
8
5
6
+
−
Scaler
OUTPUT
OUTPUT
External
**
Field Terminals
(Section A)
POWER
* Only with dry contact input
** With power switch only
Use either of module or external field terminals.
Section A. Field Terminals
1
2
+
−
INPUT
Specifications are subject to change without notice.
18KPR SPECIFICATIONS
ES-0460 Rev.1 Page 4/4
http://www.m-system.co.jp/
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