CVRTD-A2-H 概述
Plug-in Signal Conditioners M-UNIT
CVRTD-A2-H 数据手册
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PDF下载MODEL: CVRTD
Plug-in Signal Conditioners M-UNIT
[3] POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC/RTD CONVERTER
Functions & Features
•Emulates the RTD resistance proportional to a DC signal
•High accuracy, high resolution
•Response time 0.5 seconds or less
•Output drive circuit with semiconductor switches ensures
long life span
DC Power
•Fixed output at power failure
S: 12 V DC
R: 24 V DC
Typical Applications
V: 48 V DC
•Controls an RTD input device with a DC signal
[4] OPTIONS
blank: none
50
(1.97)
/Q: With options (specify the specification)
80
(3.15)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
127
(5)
/C02: Polyurethane coating
mm (inch)
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel
MODEL: CVRTD-[1][2]-[3][4]
GENERAL SPECIFICATIONS
Construction: Plug-in
ORDERING INFORMATION
• Code number: CVRTD-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. CVRTD-64-R/Q)
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
• Temperature range (e.g. 0 – 100°C)
• Output resistance at power failure (e.g. 400 Ω)
(Set to ‘Open’ if not otherwise specified.)
• Specify the specification for option code /Q
(e.g. /C01/S01)
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
INPUT SPECIFICATIONS
■ DC Current:
[1] INPUT
Current
Shunt resistor attached to the input terminals (0.5 W)
A: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
OUTPUT SPECIFICATIONS
Output: Resistance (unipolar)
Resistance range: Approx. 15 – 400 Ω
(The output may be uncertain immediately after the power
is turned on or off.)
[2] OUTPUT
1: JPt 100 (JIS ’89) equivalent
3: Pt 100 (JIS ’89) equivalent
4: Pt 100 (JIS ’97, IEC) equivalent
Maximum wattage: 0.07 W
Maximum excitation: 15 V DC
Maximum current: 10 mA
Resistance control: Resistance composed by switching
resistors connected in parallel
CVRTD SPECIFICATIONS
ES-1320 Rev.7 Page 1/3
https://www.m-system.co.jp/
MODEL: CVRTD
Output devices: MOSFET switch + resistors
Output resolution: ≤0.05 Ω (up to 400 Ω)
Output resistance at power failure: 10 – 500 Ω selectable
when ordering. Set to ‘Open’ if not otherwise specified.
Resistance (temperature) range
USABLE RANGE
°C °F
JPt 100 (JIS ’89) -200 to +510 -328 to +950
Pt 100 (JIS ’89) -200 to +660 -328 to +1220
MIN. SPAN
RTD
°C
°F
5
5
5
9
9
9
Pt 100 (JIS ’97, IEC) -200 to +850 -328 to +1562
INSTALLATION
Power input
• AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
•DC: Operational voltage range: Rating ±10 %,; ripple 10
%p-p max.; Approx. 1.5 W
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 300 g (0.66 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.3 % or ±0.1 Ω, whichever is greater.
Accuracy of the output resistance at power failure: ± 3 %
Temp. coefficient: ± 0.02 %/°C (±0.01 %/°F) or [0.009 Ω +
0.00005 × Output Resistance (Ω)]/°C, whichever is greater.
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input to output
to power to ground)
STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Installation Category II
Pollution Degree 2
Input or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
RoHS Directive
CVRTD SPECIFICATIONS
ES-1320 Rev.7 Page 2/3
https://www.m-system.co.jp/
MODEL: CVRTD
EXTERNAL DIMENSIONS unit: mm [inch]
CLAMP
(top & bottom)
7.8 [.31]
DIN RAIL
35mm wide
6
5
4
3
2–4.5 [.18] dia.
MTG HOLE
15 [.59] deep
7
8
1
2
8–M3.5
SCREW
50 [1.97]
107 [4.21]
127 [5]
40 [1.57]
50 [1.97]
(3.3 [.13])
• When mounting, no extra space is needed between units.
TERMINAL ASSIGNMENTS unit: mm [inch]
6
5
4
3
7
8
1
2
INPUT RESISTOR
(model: REM)
Input shunt resistor attached
for current input.
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
+
+
–
–
3
4
5
6
Z
S
Isolation
OUTPUT
Low Drift
Amplifier
A/D Conversion
Digital Computation
Digital
Controller
+
–
Ry
1
2
*
INPUT
R
U(+)
V(–)
7
8
POWER
Base Socket
*Input shunt resistor attached for current input.
Specifications are subject to change without notice.
CVRTD SPECIFICATIONS
ES-1320 Rev.7 Page 3/3
https://www.m-system.co.jp/
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