MODEL: HM

HM SPECIFICATIONS

ES-3415 Rev.6 Page 1/3

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

Space-saving Plug-in Signal Conditioners H-UNIT

POTENTIOMETER TRANSMITTER

(non-isolated)

Functions & Features

• Providing a DC output proportional to a potentiometer or

slidewire position input

• Constant voltage excitation allows use with pots with total

resistances from 100 Ω – 10 kΩ without affecting accuracy

• 50 % zero/span adjustments with minimal interaction

• High-density mounting

Typical Applications

• Tank levels

• Positions

26 (1.02)

93

(3.66)

mm (inch)

137

(5.39)

MODEL: HM–[1]–R[2]

ORDERING INFORMATION

• Code number: HM-[1]-R[2]

Specify a code from below for each of [1] and [2].

(e.g. HM-A-R/Q)

• Special output range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

INPUT POTENTIOMETER

Total resistance 100 Ω – 10 kΩ

[1] OUTPUT

Current

A: 4 – 20 mA DC (Load resistance 750 Ω max.)

B: 2 – 10 mA DC (Load resistance 1500 Ω max.)

C: 1 – 5 mA DC (Load resistance 3000 Ω max.)

D: 0 – 20 mA DC (Load resistance 750 Ω max.)

E: 0 – 16 mA DC (Load resistance 900 Ω max.)

F: 0 – 10 mA DC (Load resistance 1500 Ω max.)

G: 0 – 1 mA DC (Load resistance 15 kΩ max.)

Z: Specify current (See OUTPUT SPECIFICATIONS)

Voltage

1: 0 – 10 mV DC (Load resistance 10 kΩ min.)

2: 0 – 100 mV DC (Load resistance 100 kΩ min.)

3: 0 – 1 V DC (Load resistance 1000 Ω min.)

4: 0 – 10 V DC (Load resistance 10 kΩ min.)

5: 0 – 5 V DC (Load resistance 5000 Ω min.)

6: 1 – 5 V DC (Load resistance 5000 Ω min.)

4W: -10 – +10 V DC (Load resistance 10 kΩ min.)

5W: -5 – +5 V DC (Load resistance 5000 Ω min.)

0: Specify voltage (See OUTPUT SPECIFICATIONS)

POWER INPUT

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] 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 (torque 0.8 N·m)

Screw terminal: Nickel-plated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Input or output to power

Zero adjustment: 0 – 50 % of total resistance (front)

Span adjustment: 50 – 100 % of total resistance (front)

INPUT SPECIFICATIONS

Minimum span: 50 % of total resistance

Excitation: 0.5 V DC

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC

Minimum span: 1 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 15 V max.

■ DC Voltage: -10 – +12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span