Mounting and Wiring Instruction Manual - Control Module QTC1

Preface

Thank you for purchasing the Shinko Technos control module [QTC1]. This manual provides instructions for mounting and wiring the control module [QTC1] during operation. To prevent accidents due to misuse, please ensure the operator receives and understands this manual. For detailed usage instructions, refer to the comprehensive instruction manual for each model, available for download from the Shinko Technos website: https://shinko-technos.co.jp/e/download/d_manual_download.html#Q.

Notes

• This instrument must be used strictly according to the specifications in this manual. Failure to do so may result in malfunction or fire.
• Adhere to all warnings, cautions, and notices. Non-compliance can lead to serious injury or malfunction.
• The contents of this manual are subject to change without prior notice.
• While every effort has been made to ensure accuracy, please inform the sales department of any doubts, errors, or questions.
• This instrument is designed for indoor installation on a DIN rail within a control panel. If installed elsewhere, ensure operators cannot touch power terminals or high-voltage sections.
• Unauthorized transfer or copying of this document, in whole or in part, is prohibited.
• Shinko Technos Co., Ltd. is not liable for any direct or indirect damages incurred from the use of this product.

Safety Precautions

Please read these precautions carefully before using Shinko Technos products.

Warning: Procedures that, if not carried out properly, could lead to dangerous conditions resulting in death or serious injury.

Caution: Procedures that, if not carried out properly, could lead to dangerous conditions resulting in superficial to medium injury, physical damage, or degradation/damage to the product.

General Warnings

• Warning: To prevent electrical shock or fire, only Shinko or qualified service personnel should handle the internal assembly.
• Warning: To prevent electrical shock, fire, or instrument damage, parts replacement must only be performed by Shinko or qualified service personnel.

General Safety Precautions

• Ensure safe and correct use by thoroughly reading and understanding this manual before operating the instrument.
• This instrument is intended for industrial machinery, machine tools, and measuring equipment. Consult with Shinko Technos or its agency for verification of correct usage. It is not intended for medical purposes involving human lives.
• External protection devices (e.g., against excessive temperature rise) must be installed. Product malfunction could lead to serious system damage or personnel injury. Regular periodic maintenance is also essential.
• Operate the instrument only under the conditions and environment described in this manual. Shinko Technos Co., Ltd. is not liable for any injury, loss of life, or damage occurring due to use under conditions not specified herein.

Meaning of Warning Message on Model Label

Caution: Incorrect handling may result in minor or moderate injury or property damage due to fire, malfunction, or electric shock. Read this manual carefully and ensure full understanding before use.

Export Trade Control Ordinance Precautions

To prevent this instrument from being used in the manufacture of weapons of mass destruction (military applications, equipment, etc.), investigate end-users and final use. Ensure no illegal export occurs during resale.

Precautions for Use

Installation Precautions

Caution: This instrument is intended for use under the following environmental conditions (IEC61010-1):

• Pollution degree 2.
• Mounting location must have minimal dust and no corrosive gases.
• No flammable or explosive gases present.
• No mechanical vibrations or shocks.
• No direct sunlight exposure. Ambient temperature should be between -10°C to 50°C (14°F to 122°F), without rapid changes, and no icing.
• Ambient non-condensing humidity: 35 to 85 %RH.
• Avoid locations with large-capacity electromagnetic switches or cables carrying high current.
• Ensure no water, oil, chemicals, or their vapors can come into direct contact with the unit.
• When installing within a control panel, the instrument's ambient temperature (not the panel's) must not exceed 50°C (122°F), as this can shorten the life of electronic components, particularly electrolytic capacitors.
• Avoid placing the instrument directly on or near flammable materials, even though the case is made of flame-resistant resin.

Wiring Precautions

Caution:

• Do not connect two or more control modules QTC1-2P or QTC1-4P (with power supply/communication option) in a single unit.
• Ensure no wire bits are left inside the instrument, as they can cause fire and malfunction.
• When wiring, use a crimping tool and a solderless terminal with an insulation sleeve suitable for an M3 screw.
• The instrument's terminal block is wired from the left. Ensure lead wires are inserted from the left and terminal screws are tightened.
• Tighten terminal screws using the specified torque. Excessive force can damage the screw or case.
• Do not pull or bend lead wires with the terminal as a base point during or after wiring, as this may cause malfunction.
• The instrument lacks a built-in power switch, circuit breaker, and fuse. Install these components near the instrument. (Recommended fuse: Time-lag fuse, rated voltage 250 V AC, rated current 3 A).
• When wiring the 24 V DC power supply, observe correct polarity.
• Do not apply a commercial power source to sensors connected to input terminals, nor allow the power source to contact the sensor.
• Use thermocouple and compensation lead wires that match the instrument's sensor input specifications.
• Use a 3-conductor RTD wire that meets the instrument's sensor input specifications.
• For relay contact output types, use an external relay rated for the load capacity to protect the built-in relay contact.
• Separate input lines (thermocouple, RTD, etc.) from power lines and load lines.

Operation and Maintenance Precautions

Caution:

• Auto-tuning (AT) is recommended during the trial run.
• Do not touch live terminals, as this may cause electrical shock or operational problems.
• Turn the instrument's power supply OFF before retightening terminals or cleaning. Working on or touching terminals with the power ON can result in severe injury or death from electrical shock.
• Use a soft, dry cloth for cleaning. Alcohol-based substances may tarnish or deface the unit.
• The display section is vulnerable; avoid applying pressure, scratching, or striking it with hard objects.

Compliance with Safety Standards

Caution:

• Use the recommended fuse as described in the instruction manual.
• For analog input:
  • When inputting voltage or current, set the input type to match the input specification.
  • Do not use for measurement of circuits falling into measurement categories II, III, or IV.
  • Do not use for measurement of objects with voltages exceeding 30 Vrms or 60 V DC.
• If the instrument is used in a manner not specified by the manufacturer, its protective features may be impaired.
• For external circuits connected to this instrument, use equipment that is reinforced-insulated or double-insulated from the primary power supply.

1. Specifications

2. Overview

This instrument is a control module capable of 2-channel or 4-channel control. It can form a multi-point control system either independently, or in conjunction with a host computer or PLC. A maximum of 16 instruments can be connected via BUS, allowing for control of up to 64 points. A block connected to the BUS is referred to as '1 unit'.

A diagram illustrates the connection of multiple modules (e.g., QTC1-4P) to a host computer via RS-485, showing a maximum of 16 control modules connected.

3. Model

The QTC1 model is configured as follows: QTC1- [Channels] - [Power/Comm Option] - [Wiring Type] - [CH1 Control Output] - [CH2 Control Output] - [CH3 Control Output (*1)] - [CH4 Control Output (*1)] - [CH1 Input] - [CH2 Input] - [CH3 Input (*1)] - [CH4 Input (*1)] - [Heater Burnout Alarm Option (*2)] - [Event Input/Output Option]

Notes on Model Configuration:

• (*1): For the QTC1-2, CH3 and CH4 are not available.
• (*2): Cannot be added to DC current output type, DC voltage output type, or Triac output type.
• (*3): CT and connector harness are sold separately.
• (*4): Single-phase or 3-phase is available for the QTC1-2.
• (*5): Connector harness is sold separately.
• (*6): For the QTC1-2, 2 points of Event input/output are available.

Output Code Table

Input Code Table

4. Name and Functions

The QTC1-4 module consists of a Base part and a Panel part. The panel design varies based on installed options.

Panel Part: Operation Indicators

(*): For the QTC1-2, O3 and O4 indicators are not available.

Panel Part: Switches and Connectors

Notes on Switches and Connectors:

• (*1): Used when the Heater burnout alarm option is added.
• (*2): Used when the Event input/output option is added.
• (*3): For the QTC1-2, Event3 and Event4 connectors are not available.

Module Types and Connections

The QTC1-4 module is available in two main configurations:

• QTC1-40: Base part (no power supply / communication option)
• QTC1-4P: Base part (with power supply / communication option)

A diagram shows the physical appearance of these modules, highlighting the lock lever and connectors. The 'With power supply / communication option' version has a different connector layout compared to the 'No power supply / communication option' version. A triangle mark on the upper left of the faceplate indicates the presence of the power supply/communication option.

The document also illustrates how multiple modules connect via a BUS system, showing the connector interface between modules.

5. Communication Parameter Setting

5.1 Selection of Communication Specifications

Caution: If connecting to the communication expansion module QMC1, communication specification selection is not required; use the factory default (all OFF). Use the communication specification selection dip switch located on the left side of the instrument to configure settings.

The following parameters can be set:

• Communication speed
• Data bit
• Parity
• Stop bit
• Communication protocol

Factory default (all switches OFF): 57600 bps, 8 bits, Even parity, 1 stop bit, MODBUS specification.

(1) Selection of Communication Speed

(2) Selection of Data Bit, Parity, and Stop Bit

(3) Selection of Communication Protocol

Dip switches No. 7 and No. 8 are not used and should be left OFF.

5.2 Selection of Module Address

Caution: When using SIF specification, select module addresses consecutively from 1. For MODBUS specification, select any number from 0 to F (1 to 16).

The module address is set using the rotary switch. Use a small flat-blade screwdriver to select the address. The module address is the value obtained by adding 1 to the value shown on the rotary switch.

A diagram shows the rotary switch for module address selection.

6. Mounting

Caution:

• Do not connect two or more QTC1-2P or QTC1-4P modules (with power supply/communication option) in one unit.
• Mount the DIN rail horizontally. The instrument fits the Top hat rail TH35 (JIS C 2812-1988).
• If the instrument is mounted in a location susceptible to vibration or shock, use commercially available end plates at both ends.
• Ensure the correct orientation (upper and lower) of the instrument during installation.
• When mounting or removing the instrument from the DIN rail, tilt it slightly.
• Allow at least 50 mm of space in the vertical direction for wiring and heat dissipation.

A diagram illustrates the required spacing.

6.1 Mounting

Mounting to the DIN rail:

1. Lower the lock lever of the instrument until it stops (it has a spring structure).
2. Hook part 2 of the instrument onto the top of the DIN rail.
3. Insert the lower part of the instrument using part 2 as a fulcrum.
4. Raise the lock lever to secure the instrument to the DIN rail.

Removal from the DIN rail:

1. Insert a flat-blade screwdriver into the lock lever and lower it until it stops.
2. Lift the instrument from below to remove it from the DIN rail.

Mounting multiple modules to the DIN rail:

This process involves removing a line cap from the right side of a QTC1-4P module, mounting a QTC1-40 module onto the DIN rail, sliding it left to connect connectors, and then raising the lock lever to secure it.

Diagrams show the mounting steps for single and multiple modules, including the connection between QTC1-4P and QTC1-40.

6.2 External Dimensions

A diagram provides the external dimensions of the QTC1-4 module in millimeters. Key dimensions include:

• Width: 4.7 mm (for terminal cover)
• Height: 85 mm
• Depth: 100 mm
• Other dimensions: 30 mm, 1.7 mm, 10 mm, 4 mm.

The diagram also shows the placement of the terminal cover and DIN rail.

7. Wiring

Warning: Turn off the power supply to the instrument before wiring. Working with the power supplied can cause electrical shock, leading to serious injury or death.

7.1 Recommended Terminal

Use solderless terminals with insulation sleeves suitable for M3 screws. Ring-type terminals are recommended for the power supply and serial communication sections.

7.2 Terminal Arrangement

7.2.1 Input and Output Terminal Arrangement

Caution: Terminal arrangements differ for CH1, CH2, and CH3, CH4. For QTC1-2, CH3 and CH4 are not available.

A diagram shows the terminal layout for QTC1-4:

• CH1: Terminals 12-14
• CH2: Terminals 17-19
• CH3: Terminals 1-4
• CH4: Terminals 6-9
• CT Input Connectors: CH1 CT1 input (CT1 or CT3), CH2 CT1 input (CT2 or CT4) for single-phase. CH1 CT1 input (CT1), CH1 CT2 input (CT3), CH2 CT1 input (CT2), CH2 CT2 input (CT4) for three-phase.

The diagram details specific connections for RTD, TC, and DC inputs across these channels.

7.2.2 Power Supply and Serial Communication Terminal Arrangement

Caution: Do not confuse polarities.

These terminals are located on the base of the instrument.

• Power Supply: Terminals marked '+' and '-' for 24 V DC.
• Serial Communication (RS-485): Terminals YA, YB, SG.

The process for accessing these terminals involves removing the case by pushing a release lever on top, performing the wiring, and then reattaching the case.

Diagrams illustrate case removal, wiring connections, and case reattachment.

7.2.3 Event Input and Output Terminal Arrangement

Event input/output is handled via an EVQ connector harness. For QTC1-2, Event3 and Event4 are not available.

A diagram shows the terminal layout for Event 1, 2, 3, and 4.

7.2.4 CT Input Connector Layout

CT input is managed via a WQ connector harness for the heater burnout alarm option. For QTC1-2, specific wiring procedures apply.

Diagrams detail single-phase and three-phase CT input connections for CH1 and CH2.

7.3 Using Terminal Cover Precaution

Attach the terminal cover (TC-QTC, sold separately) with the shorter side on the right of the case. Wiring for terminals 11 to 20 should pass through the left side of the terminal cover.

A diagram shows the terminal cover attachment.