The M Series Modbus Remote I/O Module is an industrial class, isolated designed, high reliability, high stability and high precision data acquisition module, embedded 32-Bit High Performance Microprocessor MCU, provides a RS485 interface. It provides multi I/O, supports standard Modbus RTU, can be intergraded into SCADA, OPC server, HMI and other automation systems. It is design for working in the harsh industrial application environment, widely used in a variety of industrial automation, security monitoring system, automatically measurement and control system.
The M Series Modbus Remote I/O module provides different I/O ports for variety applications. Includes optical-isolated digital inputs, compatibles dry contact and wet contact, supports max 10MHz high speed pulse counter, the DIN1 can be used for encode, digital outputs supports 10Hz~300Khz high speed pulse output or relay outputs, the DO1 supports PWM high-speed pulse output, the output duty cycle from 10-90%; DO2 can be used to control the direction of the stepper motor, isolated 12bits analog inputs, supports 0~5V, 0~10V, 4~20mA, 0~20mA analog signal, 12bits analog outputs, supports 0~10VDC signal output, resistance thermal detector inputs compatibles 2/3 wires PT100 and PT1000. All of the I/O ports are high sampling frequency and special filtering strategy to ensure its reliability.
The M Series Modbus Remote I/O module can work at wide working voltage range, the range is 12 ~ 36VDC with anti-reverse protection design. Also, it provides 1channel 12~36VDC power output for external device to save wiring cost.
Mainly Features
Ø Embedded 32-Bit High Performance Microprocessor MCU, inbuilt watchdog;
Ø Power supply 12~36VDC with over voltage and phase-reversal protection;
Ø Optical isolated digital input(Compatible Dry or Wet type);
Ø DIN1 supports max 10MHz high speed pulse counter, can be used to encode measurement;
Ø Digital output(Sink) or relay output, supports 10Hz~300KHz high speed pulse output;
Ø DO1 supports PWM high-speed pulse output, the output duty cycle from 10-90%;
Ø DO2 can be used to control the direction of the stepper motor;
Ø Isolated analog input, 12-bit resolution, supports 0~20mA,4~20mA,0-5VDC, 0-10VDC;
Ø Analog output, 12-bit resolution, supports 0-10VDC;
Ø RTD input, supports PT100 and PT1000 resistance sensor, compatible 2 or 3 wires;
Ø High sampling frequency and special filtering strategy to ensure reliability;
Ø 1 RS485 Serial port, supports Modbus RTU slave;
Ø Provides 1 channel VDC power source output for external device, saving wiring cost;
Ø LED instructions work status, with reset button to reset, easy on-site installation and commissioning;
Ø Using metal shell, protection class IP30. Metal shell and system security isolation, especially suitable for industrial applications in the field;
Ø Small size, L105 * W88 * H30mm, compatible wall installation and DIN35mm industrial rail installation.
Technical Specifications
• Digital Input | |
Sensor Type | Wet Contact (NPN or PNP), Dry Contact |
I/O Mode | DI or Event Counter |
Dry Contact | • On: short to GND, logic=1 |
Wet Contact (DI to COM) | • On: 10 to 30 VDC,logic=1 |
Counter Frequency | Only the 1st Channel can be used as pulse counter, Compatibles DI and counter simultaneously. Counter value will save after power off. High Speed Mode: Max. 10Mhz(Default); Low Speed Mode: Max. 10KHz (Optional, can open the cover to choose low speed mode.) |
Digital sampling frequency | 500Hz |
Digital filtering strategy | Continues 3 times |
Isolation | Optical Isolated,3k VDC or 2k Vrms |
• Digital Output | |
Type | Sink or Relay(DC 5A/30V,5A/250VAC) |
I/O Mode | DO or Relay or Pulse Output |
Pulse Output Frequency | 10Hz~300KHz(Only the 1st Channel is Sink type can be used as high speed pulse output, DO1 supports PWM high-speed pulse output, the output duty cycle from 10-90%; DO2 can be used to control the direction of the stepper motor.) |
Over-Voltage Protection | 50 VDC |
Over-Temperature Shutdown | 175°C (typical), 150°C (min.) |
Load Current | Max.500 mA per channel |
Digital sampling frequency | 500Hz |
Isolation | If DO is Sink type, then no isolation. If it is Relay, then is electrical isolation. |
• Analog Input | |
Type | Differential input |
Resolution | 12 bits |
I/O Mode | Voltage / Current (backside switch selectable) |
Input Range | 0~5VDC , 0~10VDC, 0~20 mA, 4~20mA, |
Accuracy | ±0.1% FSR @ 25°C |
Sampling frequency | 20Hz |
Isolation | Electrical isolation |
• RTD Input | |
Sensor Type | PT100 or PT1000 |
Measurement Range | -120~+420℃ |
Resolution | 0.1°C or 0.1 ohm |
Input Connection | 2- or 3-wire |
Accuracy | ±0.1% FSR @ 25°C |
Sampling frequency | 20Hz |
Isolation | No |
• Analog Output | |
Type | Differential input |
Resolution | 12 bits |
Output Range | 0 to 10 VDC |
Drive Current | 1A (max.) |
Accuracy | ±0.1% FSR @ 25°C |
Isolation | No |
• Working Power Requirements | |
Input Voltage | 12~36VDC for no-AO output model, 24`36VDC for AO output model; Peak Voltage:+40VDC, Power consumption: Less than 1.7W, If equipped relay output, then each Relay action: 0.15W. |
Input Current | 139 mA @ 24 VDC |
• Power Output | |
Output Voltage | 12~36VDC, equal to the input voltage. |
Output Current | 139 mA @ 24 VDC |
• Serial Port | |
RS485 | MODBUS RTU Slave. |
Protection | 15KV ESD Protection |
Modbus Slave address | 1~247 |
Response Time | 10mS |
Baud Rate | 1200,2400,4800,9600,19200,38400,57600,115200Bps; |
• Physical Characteristics | |
Wiring | I/O cable max. 14 AWG |
Dimensions | 105 x 88 x 30 mm |
Weight | Under 205 g |
Mounting | DIN rail or wall |
• Environmental Limits | |
Operating Temperature | Standard Models: -10 to 60°C (14 to 140°F) |
Storage Temperature | -40 to 85°C (-40 to 185°F) |
Ambient Relative Humidity | 5 to 95% (non-condensing) |
Altitude | Up to 3000 m |