MG HR User Manual

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, connection and
basic maintenance procedures.
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. 75mA
■ 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
Zero Adj.
Span Adj.
Connection
Diagram
(side)
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.”
RTD TRANSMITTER
MODEL
HR/HRS
EM-3413 Rev.5 P. 1 / 2
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
INSTRUCTION MANUAL

MG HR Specifications

General

Brand	MG
Model	HR
Category	Transmitter
Language	English

Summary

Before Use

Package Includes

Lists items included in the product package, such as the signal conditioner body and base socket.

Model Identification

Instructions to confirm the model number marking on the product matches the ordered item.

Points of Caution

Power Input Rating and Operational Range

Details the power input rating and confirms the operational range for the transmitter.

General Precautions

Advises on safety measures like turning off power before handling and avoiding physical impact.

Environmental Considerations

Specifies suitable indoor use conditions, temperature, and humidity limits for optimal performance.

Wiring Best Practices

Provides guidance on preventing noise interference by keeping signal cables away from noise sources.

Warm-up Requirement

Mentions the unit is designed for immediate function but requires a 10-minute warm-up for full performance.

Installation Guide

DIN Rail Mounting

Describes how to attach the base socket to a 35mm wide DIN rail using the integrated adaptor.

Wall Mounting

Refers to external dimensions for instructions on mounting the unit on a wall.

Terminal Connections and Checking

Screw Terminal Torque

Specifies the recommended torque for screw terminals during wiring connections.

Connection and Voltage Checking

Outlines steps to verify terminal wiring, power input voltage, signal input, and output load resistance.

Calibration and Adjustment

Output Signal Calibration

Details the procedure for adjusting zero and span settings using 0% and 100% input signals.

Maintenance Calibration

Explains how to perform regular calibration by checking output signals against specified input signals.

Lightning Surge Protection