MODEL: CVR1
D: 200 Ω
E: 500 Ω
F: 2 kΩ
Plug-in Signal Conditioners M-UNIT
DC/POTENTIOMETER CONVERTER
Functions & Features
G: 5 kΩ
H: 10 kΩ
I: 20 kΩ
J: 50 kΩ
K: 100 kΩ
• Converting a DC input into a potentiometer resistance
• Permissible wattage 1 W
Typical Applications
• Remote setting for inverters
[3] POWER INPUT
AC Power
• Remote setting for Honeywell's Modutrol motors
• Remote setting for various instruments with
potentiometer settings
M2: 100 – 240 V AC (Operational voltage range 90 – 264 V,
47 – 66 Hz)
K: 85 – 132 V AC
50
(1.97)
(Operational voltage range 85 – 132 V, 47 – 66 Hz)
(CE not available)
DC Power
80
R: 24 V DC
(3.15)
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
136
(5.35)
[4] OPTIONS
Standards & Approvals
blank: Without CE
/CE: CE marking
mm (inch)
MODEL: CVR1–[1][2]–[3][4]
GENERAL SPECIFICATIONS
Construction: Plug-in
ORDERING INFORMATION
• Code number: CVR1-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. CVR1-AH-M2/CE)
Connection: M3.5 screw terminals
Screw terminal: Chromated steel
Housing material: Flame-resistant resin (black)
Deadband: Automatically adjusted from 0.1 to 2 % of span
to avoid hunting
[1] INPUT
Current
Output delay: Approx. 0.5 sec. from an input change to the
output in order to protect the internal motor; when the input
continuously or repeatedly changes, there is approx. 3-sec.
delay after the output becomes steady and then resumes
changing.
A: 4 – 20 mA DC (Input resistance 250 Ω)
B: 2 – 10 mA DC (Input resistance 500 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
D: 0 – 20 mA DC (Input resistance 50 Ω)
E: 0 – 16 mA DC (Input resistance 62.5 Ω)
F: 0 – 10 mA DC (Input resistance 100 Ω)
G: 0 – 1 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
Voltage
Isolation
Power input code K, R:
Input to to output to power
Power input code M2:
Input to to output to power to FE
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.)
Zero adjustment: -20 to +20 % (input) (front)
Span adjustment: 80 to 120 % (input) (front)
INPUT SPECIFICATIONS
■ DC Current:
[2] OUTPUT
A: 135 Ω
Shunt resistor attached to the input terminals (0.5 W)
B: 1 kΩ
C: 100 Ω
CVR1 SPECIFICATIONS
ES-1554 Rev.9 Page 1/4
https://www.m-system.co.jp/