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Summary of Contents for Smacq M2100 Series
- Page 1 M2100 series remote I/O module User 's Manual Rev: E Smacq Technologies. Co., Ltd Smacq.com Smacq.cn...
- Page 2 Without prior consent and written permission, no content of this manual may be copied, modified, or deleted. Trademark information It is a registered trademark of Smacq Technologies. Co., Ltd. The other products and company names mentioned in this document are trademarks or business names of their respective companies.
- Page 3 Safety requirements Warning: Only connect voltage within the specified range. If the voltage exceeds the specified range, it may cause equipment damage and even affect personal safety. The voltage range that can be connected to each port is detailed in the product specification section.
- Page 4 Measurement category Warning: This device can only be used in measurement category I (CAT I). Do not use this device to connect signals or perform measurements in measurement categories II/III/IV. Measurement category description Measurement Category I (CAT I) refers to measurements taken on circuits that are not directly connected to the main power supply.
- Page 5 Environment Temperature Operation 0℃~55℃ Storage -40℃~85℃ Humidity Operation 5% RH~95% RH, non-condensing Storage 5% RH~95% RH, non-condensing Pollution level Highest altitude 2000m Pollution level description Pollution level 1: No pollution, or only dry non-conductive pollution occurs. This pollution level has no impact. For example, a clean room or an air-conditioned office environment. Pollution level 2: Generally only dry non-conductive pollution occurs.
- Page 6 1.1. Overview Overview The M2100 series temperature acquisition remote I/O module is a set of computer interface modules based on the Modbus RTU standard protocol. M2100 is remotely controlled through the standard Modbus RTU protocol. The M2100 series is divided three models: M2101 is 8-channel input compatible with 8 type of Thermocouples.
- Page 7 Feature point hermocouple 8-channel T input hermocouple isolate 4-channel T input Resistance Temperature Detector 6-channel input Using standard Modbus RTU protocol Support 8 type Thermocouple (Type: B，E，J，K，R，S，T，N) Resistance Temperature Detector Support 2 type (Type: PT，CU) ...
- Page 8 1.2. Product specifications Common Specifications Connection Interface RS-485 (2-Wire) 1200,2400,4800,9600(Default),19200,38400,57600,115200 Baud rate (bps) NONE, ODD, EVEN(Default) Checksum 1(Default), 2 Stop bits Protocol Modbus RTU Watchdog Timer 0.1seconds to 40 seconds Power Supply Input Voltage 9-30 VDC Electric Current M2101：60mA(Max) @ 12V M2102：100mA(Max) @ 12V M2111：60mA(Max) @ 12V Comparison Table of Thermocouple Types and Temperature Range...
- Page 9 M2101 Wiring Definition MT2101 Product Specification Sense input Channels Input Type Thermocouple Thermocouple Types B，E，J，K，R，S，T，N Resolution 0.1℃ (16-bit) Integral time 100ms Accuracy ± 2℃ (Sampling rate is Medium) Temperature coefficient 25ppm/℃ Isolation voltage 1500V...
- Page 10 M2102 Wiring Definition MT2102 Product Specification Sense input Channels 4(each channel isolate) Input Type Thermocouple Thermocouple Types B，E，J，K，R，S，T，N Resolution 0.1℃ (16-bit) Integral time 100ms Accuracy ± 2℃ (Sampling rate is Medium) Temperature coefficient 25ppm/℃ Isolation voltage 1500V...
- Page 11 M2111 Wiring Definition MT2111 Product Specification Sense input Channels Input Type Resistance Temperature Detector (RTD) RTD Type Platinum resistance (PT), copper resistance (CU) 10Ω - 1000Ω 0 ℃ resistance value (Settable) Integral time 100ms Accuracy ± 1℃ Resolution (Settable) 1 ℃, 0.1 ℃ (default), 0.01 ℃ Temperature coefficient 25ppm/℃...
- Page 12 2. Product unpacking and packing list 2.1. Product unboxing To prevent equipment damage from electrostatic discharge (ESD), please note the following: Please wear a grounded wristband or touch a grounded object first to ensure that the human body is grounded.
- Page 13 Power Connection Diagram 3.2. Software installation We provide an application for configuring, detecting, and easy-to-use M2100 series remote I/O modules, which can only be installed on the Windows desktop operating system. Double click to run setup. exe for installation.
- Page 14 Software installation diagram 3.3. Simple testing The M2000 series remote I/O module is set to its initial value before leaving the factory, as shown in the table below. If the settings of the M2000 series remote I/O module have been modified and the settings have been forgotten, a wire can be used to connect the Initiate and GND terminals, and then the power of the M2000 can be turned on.
- Page 15 4. Thermocouple input The M2101 is equipped with 8-channel thermocouple input, M2102 is equipped with 4-channel thermocouple isolate input. Each channel needs to be configured according to the type of thermocouple connected. Schematic diagram of thermocouple connection...
- Page 16 5. Resistance Temperature Detector input The MT2111 is equipped with 6-channel Resistance Temperature Detector input. Each channel needs to be configured according to the type of RTD (platinum and copper) connected. Schematic diagram of Resistance Temperature Detector connection...
- Page 17 6. Programming instructions The M2100 series remote I/O module is a set of computer interface modules based on Modbus RTU, and its programming rules follow The relevant conventions of Modbus RTU protocol. For the convenience of different application scenarios, the M2100 series remote IO module is equipped with two versions of MODBUS address schemes, namely V1.0 and V2.0.
- Page 18 03 Function code Used for reading and holding registers To read the status of three registers starting from address 40201 in a module, the host sends the following command: Module address Function code Register address Read the number of CRC verification registers 0x01 0x03...
- Page 19 (0x0F) Function code Used for writing multiple coils (DO) To read the status of the 8 coils starting from address 1 of a module, the host sends the following command: Module address Function code Coil address Number of coils Byte count data CRC verification 0x01 0x0F 0x0000...
- Page 20 M2100 Series Remote I/O Module Universal Function Modbus Mapping Table Address 4X Function Explain Attribute Command 40201 1-255 Read/Write 0x03,0x06,0x10 485 Address 40202 Read/Write 0x03,0x06,0x10 Serial port settings 0-3 bits: Baud rate 4-5 bits: Checksum 6-7 bits: Stop bit 40203...
- Page 21 M2101/M2102 Remote I/O Module Modbus Mapping Table Thermocouple input register list Address 3X Channel Function Attribute Command 30101 IN 0 TC input register Read 0x04 30102 IN 1 TC input register Read 0x04 30103 IN 2 TC input register Read 0x04 30104 IN 3...
- Page 22 Thermocouple channel sampling rate registers list Address 4X Channel Function Attribute Command 40121 Sampling rate registers Write/Read IN 0 0x03,0x06,0x10 Sampling rate registers 40122 IN 1 Write/Read 0x03,0x06,0x10 Sampling rate registers 40123 IN 2 Write/Read 0x03,0x06,0x10 Sampling rate registers Write/Read 40124 IN 3 0x03,0x06,0x10...
- Page 23 MT2111 RemoteIO Module Modbus Mapping Table RTD input register list Address 3X Channel Function Attribute Command 30101 RTD 0 RTD input register Read 0x04 30102 RTD 1 RTD input register Read 0x04 30103 RTD 2 RTD input register Read 0x04 30104 RTD 3 RTD input register...
- Page 24 RTD type register list Address 4X Channel Function Attribute Command 40081 RTD 0 RTD type register Write/Read 0x03,0x06,0x10 40082 RTD 1 RTD type register Write/Read 0x03,0x06,0x10 40083 RTD 2 RTD type register Write/Read 0x03,0x06,0x10 40084 RTD 3 RTD type register Write/Read 0x03,0x06,0x10 40085...
- Page 25 7. After sales service and warranty Smacq Technologies. Co., Ltd. promises that its products are under warranty. If the product malfunctions during normal use, we will provide free repair or replacement of parts for the user. For detailed warranty instructions, please refer to the warranty instructions inside the packaging box.
- Page 26 8. Ordering information Main Equipment Model Description MT2101 8-channel Thermocouple input (Type: B，E，J，K，R，S，T，N) MT2102 4-channel Thermocouple isolate input (Type: B，E，J，K，R，S，T，N) MT2111 6-channel Resistance Temperature Detector input (Type: PT, CU) Standard Accessories Model Description Bolt terminal connector, 13 positions, 3.81mm TB13-3.81 TB12-3.81 Bolt terminal connector, 12 positions, 3.81mm DIN-Rail mounting bracket...
- Page 27 9. Document Revision History Date Edition Remarks First release. 2019.11.07 Rev: A Second modification. 2021.08.31 Rev: B The third modification. 2022.06.23 Rev: C Ad d so m e co nt e nt to M2 10 2. 2023.12.20 Rev: D Modify some commands with incorrect instructions. 2024.07.03 Rev: E...
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