MODEL: PM2W

PM2W SPECIFICATIONS

ES-3225 Rev.5 Page 1/2

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

Plug-in Signal Conditioners M-UNIT

2-WIRE POTENTIOMETER TRANSMITTER

(molded)

Functions & Features

• Providing a 4 – 20 mA DC signal proportional to a

potentiometer or slidewire position input

• Constant voltage excitation allows use with pots with total

resistances from 100 Ω – 2 kΩ without affecting accuracy

• Small, molded unit is suitable for being incorporated into

another device

Typical Applications

• Tank levels

• Positions

40 (1.57)

25 (.98)

40

(1.57)

mm (inch)

NO.

TYPE

PM2W

DC24V

POWER

DC4–20mA

OUTPUT

MODEL: PM2W

ORDERING INFORMATION

• Code number: PM2W

RELATED PRODUCTS

• Current loop supply (model: YVD)

• Mounting Frame (model: PM2W-FR)

GENERAL SPECIFICATIONS

Construction: Molded

Connection: M3 screw terminals (torque 0.5 N·m)

Screw terminal: Nickel-plated brass

Housing material: Flame-resistant resin (black)

Zero adjustment: 0 to 10 % of total resistance

Span adjustment: (of total resistance)

135 Ω or above: 50 – 100 %

Below 135 Ω: 70 – 100 %

INPUT SPECIFICATIONS

Potentiometer: 100 Ω – 2 kΩ

Minimum span: 50 % of total resistance (≥ 135 Ω); 70 % of

total resistance (< 135 Ω)

Excitation: 0.2 V DC

OUTPUT SPECIFICATIONS

Output range: 4 – 20 mA DC

Load resistance vs. supply voltage:

Load Resistance (Ω) = (Supply Voltage (V) – 9 (V)) ÷ 0.02

(A)

(including leadwire resistance)

5

15

20

25

28

9

0

150

300

450

600

750

900

950

SUPPLY VOLTAGE [V]

(750Ω maximum at 24V DC)

INSTALLATION

Supply voltage: 9 – 28 V DC

Operating temperature: -5 to +60°C (23 to 140°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface with the Mounting Frame (model: PM2W-

FR)

Weight: 90 g (0.2 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.2 %

Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)

Response time: ≤ 0.1 sec. (0 – 90 %)

Dielectric strength: 2000 V AC @1 minute (input or output

to ground)