Instruction Manual
Counter module
MG80-CM
2019.3
Printed in Japan
©2019 Magnescale Co., Ltd.
MG80-CM
2-A02-722-0A
45 Suzukawa, Isehara-shi, Kanagawa 259-1146, Japan
For foreign customers
Note: is product (or technology) may be restricted by the government in your country. Please make sure
that end-use, end user and country of destination of this product do not violate your local government
regulation.
[For U.S.A. and Canada]
THIS CLASS A DIGITAL DEVICE COMPLIES WITH PART15 OF
THE FCC RULES AND THE CANADIAN ICES-003. OPERATION
IS SUBJECT TO THE FOLLOWING TWO CONDITIONS.
(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE,
AND
Read all the instructions in the manual carefully before use and strictly
follow them.
Keep the manual for future references.
Safety Precautions
Magnescale Co., Ltd. products are designed in full consideration of safety.
However, improper handling during operation or installation is dangerous
and may lead to re, electric shock or other accidents resulting in serious
injury or death. In addition, these actions may also worsen machine
performance.
erefore, be sure to observe the following safety precautions in order to
prevent these types of accidents, and to read these “Safety Precautions”
before operating, installing, maintaining, inspecting, repairing or otherwise
working on this unit.
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE
RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE
UNDERSIGNED OPERATION.
CET APPAREIL NUMÉRIQUE DE LA CLASSE A
EST CONFORME À LA NORME NMB-003 DU CANADA.
Warning Indication Meanings
e following indications are used throughout this manual, and their
contents should be understood before reading the text.
Symbols requiring attention Symbols prohibiting actions
CAUTION DO NOT DISASSEMBLE
Warning Failing to follow the precaution items given below
may lead to severe injury or death.
• Do not open the cover of the MG80-CM to disassemble or modify
the unit, as this may result in burns or injury.
ese actions may also damage the internal circuitry.
Caution Failing to follow the precaution items given below
may lead to injury or damage to surrounding
objects.
• e unit does not have an explosion-proof structure.
erefore, do not use the unit in an atmosphere charged with
in ammable gases as this may result in re.
• Be sure to turn o the power before connecting or disconnecting
power and signal connectors in order to prevent damage or
misoperation.
General precautions
• Before and during operations, be sure to check that our products
function properly.
• Provide adequate safety measures to prevent damages in case our
products should develop malfunctions.
• Use outside indicated speci cations or purposes and modi cation of our
products will void any warranty of the functions and performance as
speci ed of our products.
• When using our products in combination with other equipment,
the functions and performances as noted in this manual may not be
attained, depending on operating and environmental conditions.
1. Overview
is product is used in combination with the main module. During
operation, also refer to the main module Instruction Manual.
2. Name and Function of Each Part
POWER lamp
Lights green when the power is on.
Reference point lamp
Once the reference point signal of the sensor is detected, the
lamp lights yellow (solid).
Measuring unit alarm lamp
is lamp lights red when the measuring unit connected to the
counter module is in alarm status.
Counter alarm lamp
is lamp lights red when the counter module is in alarm status.
Reset button
If an alarm has occurred in the counter module during operation
check or test operation, this button can be used to directly
perform initialization (reset) on the respective counter module
without inputting a communication command or external
signal.
Note
is reset is performed only for individual counter modules. e
main module is not reset.
Measuring unit connector
is connects the measuring unit corresponding to each counter
module.
Note
Connecting the wrong measuring unit can cause a breakdown of
the connector.
Module connector
Connects other counter modules or a termination module.
3. Speci cations
Model name MG80-CM
Supply voltage DC 10.8 to 26.4 V
(supplied from MG80-MA)
Power consumption 2.0 W + Power of connected measuring
unit
Corresponding
measuring unit
DK series
Measuring unit input
signals
A/B/Reference point, voltage di erential
type line driver input (EIA-422 compliant)
A/B quadrature input
signal minimum phase
di erence
50 ns
Reference point The reference point lamp lights after
reference point detection when loading
reference points.
The counter value is set to “0” or a
preset value when the reference point is
detected.
Alarms Measuring unit alarm status, measuring
unit not connected or disconnected:
Measuring unit alarm lamp lights
Counter response frequency exceeded:
Counter alarm lamp lights
Operating temperature/
humidity range
0 to + 50 °C (No condensation)
Storage temperature/
humidity range
–20 to + 60 °C (20 to 90% RH)
Mass Approximately 130 g
Mounting method DIN rail
4. Dimensions
Unit : mm
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