MODEL: CVRTD

CVRTD SPECIFICATIONS

ES-1320 Rev.7 Page 1/3

https://www.m-system.co.jp/

Plug-in Signal Conditioners M-UNIT

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

•Fixed output at power failure

Typical Applications

•Controls an RTD input device with a DC signal

50

(1.97)

127

(5)

80

(3.15)

mm (inch)

MODEL: CVRTD-[1][2]-[3][4]

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)

• 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)

[1] INPUT

Current

A: 4 – 20 mA DC (Input resistance 250 Ω)

Voltage

6: 1 – 5 V DC (Input resistance 1 MΩ min.)

[2] OUTPUT

1: JPt 100 (JIS ’89) equivalent

3: Pt 100 (JIS ’89) equivalent

4: Pt 100 (JIS ’97, IEC) equivalent

[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 Power

S: 12 V DC

R: 24 V DC

V: 48 V DC

[4] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

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:

Shunt resistor attached to the input terminals (0.5 W)

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.)

Maximum wattage: 0.07 W

Maximum excitation: 15 V DC

Maximum current: 10 mA

Resistance control: Resistance composed by switching

resistors connected in parallel