M-system 35mm User Manual

EM-3465 Rev.11 P. 1 / 5
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
INSTRUCTION MANUAL
POTENTIOMETER TRANSMITTER
(eld-programmable)
MODEL
HJM
BEFORE USE ....
Thank you for choosing us. Before use, please check con-
tents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact our sales office or representatives.
■ PACKAGE INCLUDES:
Signal conditioner (body + base socket) .............................(1)
■ MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■ INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation and connection,
hardware setting, and basic maintenance procedures.
When you need to change software settings, please refer to
the Operation Manual for Model PU-2x (EM-9255), Section
A.
POINTS OF CAUTION
■ POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
24V DC rating: 24V ±10%, approx. 90mA
■ GENERAL PRECAUTIONS
• Before you remove the unit from its base socket or mount
it, turn off the power supply and input signal for safety.
■ ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within -5 to +55°C
(23 to 131°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.
■ WIRING
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
■ AND ....
• The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
COMPONENT IDENTIFICATION
Body
Base Socket
Specifications
(side)
Modular Jack
Connection
Diagram
INSTALLATION
Pull out the body in pressing the clamps located at the top
and bottom of the unit for separate the body from the base
socket.
■ DIN RAIL MOUNTING
DIN Rail
35mm wide
Spring Loaded
DIN Rail Adaptor
Set the base socket so that
its DIN rail adaptor is at
the bottom. Hang the upper
hook at the rear side of base
socket on the DIN rail and
push in the lower. When
removing the socket, push
down the DIN rail adaptor
utilizing a minus screwdriv-
er and pull.
■ WALL MOUNTING
Refer to “EXTERNAL DIMENSIONS.”

M-system 35mm Specifications

General

Brand	M-system
Model	35mm
Category	Transmitter
Language	English

Summary

Before Use

Package Includes

Lists items included in the product package.

Model Number Confirmation

Confirms the model number marking on the product.

Instruction Manual Overview

Describes manual content and refers to another manual for software settings.

Points of Caution

Power Input Rating & Operational Range

Specifies power input rating and operational range details.

General Safety Precautions

Safety precautions before handling the unit.

Environmental Considerations

Environmental conditions for installation and operation.

Wiring Precautions

Precautions regarding cable installation near noise sources.

Warm-up Time Requirement

Unit requires a 10-minute warm-up for complete performance.

Installation Guidelines

DIN Rail Mounting

Instructions for mounting the unit on a DIN rail.

Wall Mounting Reference

Refers to external dimensions for wall mounting.

Terminal Connections and Dimensions

External Dimensions

Provides dimensional information of the unit in mm and inches.

Connection Diagram

Illustrates the wiring connections for the potentiometer.

Wiring and Checking Procedures

Screw Terminal Instructions

Specifies torque for screw terminals.

Pre-operation Checking

Steps to check terminal wiring, power voltage, and output.

Adjustment Procedure

Programming Unit Safety Warning

Safety warnings for using the programming unit.

Output Signal Calibration

Guides on calibrating the output signal.

Calibrating Output Range

Calibrating for narrower input ranges using linearization table.

Fine Output Calibration

Using items 19 and 20 for zero and span adjustment.

Using Linearization Table

Programming up to 16 points for input/output mapping.

Programmable Items and Maintenance

Programmable Item Details

Lists and describes programmable items.

Maintenance: Calibration Procedure

Explains the regular calibration procedure.

Lightning Surge Protection

Information on surge protectors for induced lightning.