HIMA F3 AIO 84 01
1. Overview
- Positioning: HIMA F3 AIO 84 01 is a hybrid digital/analog I/O expansion module, providing safe and reliable signal acquisition and output.
- Applicable Systems: HIMA safety PLCs and SIL 2-3-4 level safety control systems.
- Main Functions: Digital input/output, analog input, fault diagnosis, communication (Modbus RTU), etc.
2. Key Parameters
| Item |
Parameter |
| Input Voltage |
24 V DC |
| Output Voltage |
24 V DC |
| Digital Input Channels |
8 channels |
| Analog Input Channels |
4 channels (0-10 V / 4-20 mA) |
| Digital Output Channels |
8 channels |
| Operating Temperature |
–20 ℃ ~ +60 ℃ |
| Protection Class |
IP20 |
| Dimensions |
150 mm × 120 mm × 50 mm |
| Mounting Method |
35 mm DIN rail |
| Communication Interface |
RS-485 (Modbus RTU) |
| Diagnostic Functions |
Self-fault detection, channel status monitoring |
3. Product Features
- Multifunctional Integration: Supports both digital I/O and analog input simultaneously, reducing system wiring.
- Safety Diagnosis: Built-in self-inspection and fault reporting functions for quick problem localization.
- Standard Communication: Adopts Modbus RTU, enabling easy interconnection with upper-level systems or other devices.
- Compact and Reliable: DIN rail mounting and IP20 protection class, suitable for industrial cabinets.
- High Compatibility: Compatible with HIMA safety PLC series, meeting SIL 2-4 requirements.
4. Structure and Composition
- Enclosure: Metal housing for mechanical protection.
- Power Module: 24 V DC power supply and power filtering.
- Digital Input Card: 8-channel optocoupler isolation input.
- Analog Input Card: 4-channel selectable input (0-10 V / 4-20 mA).
- Digital Output Card: 8-channel relay or transistor output.
- Communication Interface Board: RS-485 terminals, supporting Modbus RTU.
- Diagnostic/Indicator Lights: Status indicators and fault lights.
5. Typical Application Fields
- Chemical, Petroleum and Natural Gas: Safety valves, leak detection, emergency shutdown circuits.
- Power and Energy: Generator sets, substation safety monitoring.
- Manufacturing: Robot safety fences, machine protection.
- Transportation Systems: Railway signals, bridge monitoring.
- Others: Any industrial automation scenarios requiring high-reliability safety I/O.
6. Installation Key Points
- Cabinet Preparation: Ensure the DIN rail is secure and reserve a 35 mm rail spacing.
- Power Wiring: Use a 24 V DC power supply complying with IEC 60947-4-1 standard, and implement lightning protection and filtering.
- Signal Wiring: Adopt optocoupler isolation for digital input/output; use shielded wires for analog input and ensure proper grounding.
- Communication Wiring: Use differential twisted-pair cables for RS-485, and install a terminal resistor (120 Ω) if needed.
- Grounding and Shielding: Ground the module’s metal enclosure and uniformly ground the shielding layer of signal wires to prevent electromagnetic interference.
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