1. Product Overview

2. Main Features

• Hybrid I/O Integration: 4AI / 2AO / 8DI / 4DO integrated design

• Analog Signal Compatibility: 4~20mA current / 0~10V voltage, software‑selectable

• High Precision: 16‑bit ADC/DAC, ±0.1% full‑scale accuracy at 25°C, low temperature drift

• Software Configurable: Signal type, engineering range, digital filter, and working mode fully configurable

• Industrial Protection: 1500VDC isolation, overvoltage, overcurrent, short‑circuit, and overtemperature protection

• Communication: Standard RS485, Modbus RTU; baud rates 9600/19200/38400bps

• Wide Temperature Range: -25°C ~ +60°C operating temperature

• Digital Channel Flexibility: NPN/PNP logic support, 0~500ms adjustable debounce time

• Fail‑Safe Operation: Analog channels with digital filtering and communication‑loss fail‑safe mode

• Durable Construction: Flame‑retardant plastic housing, compact, low power consumption

• Easy Installation: 35mm standard DIN rail mounting, simple wiring and maintenance

3. Technical Specifications

3.1 General Parameters

• Model: 12P1064X122

• Rated Power Supply: 24VDC ±10%

• Max Working Current: ≤300mA

• Isolation Voltage: 1500VDC (field side to internal circuit)

• Operating Temperature: -25°C ~ +60°C

• Storage Temperature: -40°C ~ +85°C

• Relative Humidity: 5% ~ 95% RH, non‑condensing

• Mounting: 35mm standard DIN rail

• Housing Material: Industrial flame‑retardant engineering plastic

3.2 Channel Configuration

• Analog Input (AI): 4 channels, 4~20mA / 0~10V software‑selectable

• Analog Output (AO): 2 channels, 4~20mA / 0~10V software‑selectable

• Digital Input (DI): 8 channels, 24VDC level compatible

• Digital Output (DO): 4 channels, 0.5A rated load per channel

3.3 Analog Performance

• Resolution: 16‑bit

• Basic Accuracy: ±0.1% full scale at 25°C

• Temperature Drift: ±0.2% full scale over full temperature range

• AI Input Load: Current ≤250Ω; Voltage ≥100kΩ

• AO Output Load: Current ≤500Ω; Voltage ≥1kΩ

3.4 Communication Parameters

• Interface: RS485

• Protocol: Modbus RTU

• Default Baud Rate: 9600bps

• Data Format: 8 data bits, 1 stop bit, no parity

• Device Address: 1~247 configurable

4. Safety Precautions

1. Installation, wiring, and maintenance must be performed by qualified professional technicians.

2. Disconnect all power before wiring, disassembly, or maintenance to avoid electric shock and module damage.

3. Do not install in flammable, explosive, dusty, or corrosive environments.

4. Maintain adequate ventilation; do not block heat dissipation holes.

5. Separate power and signal cables during wiring to reduce electromagnetic interference.

6. Connect the protective grounding terminal to reliable earth ground.

7. Do not exceed the rated voltage, current, or load of each channel.

8. Do not disassemble or modify the internal circuit without authorization.

5. Installation and Terminal Definition

5.1 DIN Rail Installation

1. Secure a 35mm standard DIN rail firmly on the mounting panel.

2. Hook the module’s upper buckle onto the DIN rail edge.

3. Press downward until the bottom lock clicks into place.

4. Shake gently to confirm firm installation without loosening.

5.2 Terminal Pin Assignment

1. 24VDC Positive

2. 24VDC Negative

3. AI1+

4. AI1−

5. AI2+

6. AI2−

7. AI3+

8. AI3−

9. AI4+

10. AI4−

11. AO1+

12. AO1−

13. AO2+

14. AO2−

15. DI Common

16. DI1

17. DI2

18. DI3

19. DI4

20. DI5

21. DI6

22. DI7

23. DI8

24. DO1

25. DO2

26. DO3

27. DO4

28. DO Common

29. Protective Ground (PE)

5.3 Wiring Instructions

1. Strip approximately 6mm of insulation from wire ends.

2. Loosen terminal screws and insert wires into corresponding terminals.

3. Tighten screws moderately to ensure good contact (avoid over‑tightening).

4. Analog signals: Use shielded twisted‑pair cable with single‑end grounding.

5. Power/digital signals: Use stranded copper wire of appropriate gauge.

6. Secure cables with ties to avoid tension on terminals.

6. Parameter Configuration

6.1 Connection Method

6.2 Configurable Parameters

• Analog Input: Signal type selection, custom engineering range, digital filter adjustment

• Analog Output: Signal type selection, output calibration, fail‑safe mode (fixed/hold)

• Digital Input: NPN/PNP logic, debounce time (0~500ms)

• Digital Output: Output logic, communication‑loss fail‑safe ON/OFF, pulse output settings

• Communication: Baud rate, Modbus address, restore factory defaults

6.3 Save and Activation

7. Operation Description

7.1 Power‑On Self‑Test

7.2 Main Functions

• Analog Input: Collect sensor analog signals, convert to digital data, and upload to the control system.

• Analog Output: Receive control commands and output standard analog signals to drive valves/actuators.

• Digital Input: Detect switch/sensor on/off status and upload state changes.

• Digital Output: Control external relays, solenoid valves, and indicator lights.

• Communication: Exchange data and configure parameters with the host/PLC via Modbus RTU.

7.3 Indicator Status

• Power LED Steady Green: Power normal

• Power LED Off: No power or power fault

• Status LED Green Flashing: Normal operation and communication

• Status LED Red Flashing: Overload, short circuit, or communication error

• Status LED Steady Red: Hardware failure (replace module)

8. Daily Maintenance

1. Regularly check terminal tightness to prevent oxidation and loose contacts.

2. Clean dust with a dry soft cloth only (no liquid or chemical solvents).

3. Maintain operating temperature and humidity within specified ranges.

4. Replace aging or damaged cables promptly.

5. Recalibrate channels if sampling data is unstable or inaccurate.

9. Troubleshooting

1. Power Indicator Off

   • Cause: No 24VDC input, reversed polarity, or broken wire

   • Solution: Check power wiring and correct polarity

2. Communication Failure

   • Cause: Baud rate/address mismatch, RS485 A/B reversed, missing 120Ω terminal resistor

   • Solution: Unify parameters, adjust wiring, add terminal resistor

3. Analog Input Unstable

   • Cause: Loose terminals, wrong signal range, or electromagnetic interference

   • Solution: Fasten wiring, confirm signal type, use shielded cable and proper grounding

4. Analog Output Inaccurate

   • Cause: Range error or load resistance mismatch

   • Solution: Recalibrate range and match load parameters

5. Digital Input No Response

   • Cause: Loose wiring or logic setting error

   • Solution: Check wiring and adjust NPN/PNP logic

6. Digital Output No Action

   • Cause: Overload or incorrect logic mode

   • Solution: Reduce load to rated range and reconfigure

10. Warranty Statement

Instruction Manual

Model: 12P1442X042

Industrial Hybrid I/O Module

1. Product Overview

2. Main Features

• Integrated hybrid I/O: 4AI / 2AO / 8DI / 4DO all-in-one design

• Compatible with standard industrial signals: 4~20mA current and 0~10V voltage

• 16-bit high resolution ADC/DAC, high measurement accuracy and low temperature drift

• Full software configurable: signal type, engineering range, digital filter and working mode

• Built-in 1500VDC isolation, overvoltage, overcurrent, short-circuit and overtemperature protection

• Standard RS485 interface, supports Modbus RTU communication protocol

• Optional baud rate: 9600bps, 19200bps, 38400bps

• Wide working temperature range: -25℃ ~ +60℃

• Digital channels support NPN/PNP logic and 0~500ms adjustable debounce time

• Analog channels support digital filtering and fail-safe mode when communication is interrupted

• Flame-retardant engineering plastic housing, compact structure, low power consumption

• Standard 35mm DIN rail installation, easy installation, wiring and daily maintenance

3. Technical Specifications

3.1 General Parameters

3.2 Channel Configuration

3.3 Analog Performance

3.4 Communication Parameters

4. Safety Precautions

1. Installation, wiring and maintenance must be operated by qualified professional technicians.

2. Cut off power supply before wiring, disassembly or maintenance to avoid electric shock and module damage.

3. Do not install the module in flammable, explosive dust or strong corrosive gas environment.

4. Keep good ventilation around the module, do not block heat dissipation openings.

5. Power cables and signal cables shall be laid separately to reduce electromagnetic interference.

6. Connect the protective grounding terminal to reliable earth ground.

7. Do not input voltage or current beyond rated range to avoid permanent module damage.

8. Do not disassemble or modify the internal circuit structure without official authorization.

5. Installation and Terminal Definition

5.1 DIN Rail Installation

1. Fix the 35mm standard DIN rail firmly on the installation panel.

2. Hang the upper buckle of the module on the DIN rail edge.

3. Press the module downward until the bottom lock snaps tightly.

4. Shake the module slightly to confirm firm installation without looseness.

5.2 Terminal Pin Assignment

5.3 Wiring Instructions

1. Strip about 6mm insulation layer at wire ends.

2. Loosen terminal screws, insert wires into corresponding terminals.

3. Tighten screws moderately to ensure good contact, avoid over-tightening.

4. Analog signal wires adopt shielded twisted-pair cable with single-end grounding.

5. Power and digital signal use stranded copper wire with suitable wire gauge.

6. Use cable ties to fix wiring and prevent pulling force on terminals.

6. Parameter Configuration

6.1 Connection Method

6.2 Configurable Items

6.3 Save and Activation

7. Working Principle and Operation Description

7.1 Power-on Self-test

7.2 Function Description

7.3 Indicator Description

8. Daily Maintenance

1. Regularly check terminal wiring tightness to avoid oxidation and loose contact.

2. Clean module surface dust with dry soft cloth only, do not use liquid or chemical solvent.

3. Keep working temperature and humidity within specified range.

4. Regularly check cable aging condition and replace damaged wires in time.

5. Recalibrate channel parameters if sampling data is abnormal.

9. Troubleshooting

1. No power indicator

   Cause: No 24VDC input, power reverse polarity or broken wire

   Solution: Check power wiring and correct polarity
2. Communication failure

   Cause: Baud rate or address mismatch, RS485 A/B reverse, lack of terminal resistance

   Solution: Unify communication parameters, adjust A/B wiring, add 120Ω terminal resistor
3. Analog input data unstable

   Cause: Loose wiring, wrong signal type or strong electromagnetic interference

   Solution: Fasten terminals, confirm signal range, use shielded cable and reliable grounding
4. Analog output inaccurate

   Cause: Range setting error or load resistance mismatch

   Solution: Recalibrate output range and match load parameters
5. Digital input no response

   Cause: Loose wiring or logic setting error

   Solution: Check wiring and adjust NPN/PNP logic
6. Digital output no action

   Cause: Overload current or wrong logic mode

   Solution: Reduce load within rated value and reconfigure parameters

10. Warranty Statement