ABB CM30/1S0S0E0/STD controller module

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ABB CM30/1S0S0E0/STD Controller Module

Product Description

Key Specs

• Core Performance: 8-bit microcontroller; basic logic cycle time ≤5ms (for 500 instructions); supports up to 256 I/O points (via 1 expansion port).
• Built-in I/O:
  • Digital Input (DI): 1 channel (24V DC, sinking type, 10-30V DC input range).
  • Digital Output (DO): 0 channels (relies on expansion modules for output functions).
  • Analog I/O: 0 channels (optional analog expansion modules supported).
• Communication Interface: 1×RS485 (Modbus RTU, baud rate 9600-115200 bps, half-duplex) for connecting HMI or upper-level controllers (e.g., ABB ACS-CP-C panels).
• Power Supply: 24V DC (18-30V DC); power consumption ≤3W (no expansion modules).
• Env: -20°C~+60°C, 5%-95% RH (non-condensing); IP20 (panel/rack-mounted).
• Mounting: 35mm DIN rail (EN 60715); dimensions (W×H×D): 35mm×90mm×60mm (ultra-compact, saves cabinet space).
• Compliance: Meets IEC 61131-2 (industrial control equipment safety) and EN 55011 (EMC immunity for industrial environments).

Core Functions

1. Basic Logic Control: Executes simple ladder logic (LD) programs to handle sequential tasks (e.g., "start pump only if level sensor is ON" interlock logic for small water tanks).
2. Status Monitoring: Reads 1 built-in DI to monitor device status (e.g., limit switch, emergency stop button) and transmits data to upper-level systems via Modbus RTU.
3. Expansion Support: Connects to 1 ABB CM30 series expansion module (e.g., CM30-DO4 digital output module, CM30-AI2 analog input module) to extend I/O capacity for complex tasks (e.g., adding 4 DOs to control valves).
4. Fault Indication: Built-in LED indicators (Power ON, Communication Active, Fault) for visual troubleshooting — e.g., red Fault LED flashes for Modbus communication failure.

Core Advantages

1. Ultra-Compact Design: 35mm width fits narrow control cabinets or small machinery (e.g., desktop labeling machines) where space is limited.
2. Cost-Effective: Low power consumption + no built-in redundant functions reduce overall system cost, ideal for budget-sensitive small automation projects.
3. Easy Integration: Plug-and-play with CM30 expansion modules; configured via ABB CM Configurator software (free basic version available) — no advanced programming skills required.
4. Rugged Performance: Wide operating temperature range (-20°C~+60°C) and EMC immunity enable stable operation in harsh environments (e.g., workshop floors, outdoor auxiliary cabinets).

Applications

1. Small Machinery Control: Controls desktop 3D printers — uses built-in DI to monitor door closure status, connects to CM30-DO2 expansion module to trigger heater/filament motor, and communicates with HMI via Modbus.
2. Auxiliary Process Monitoring: Monitors emergency stop (E-Stop) buttons in small conveyor systems — DI reads E-Stop status, transmits to PLC via Modbus RTU, and triggers alarm via linked HMI.
3. Building Auxiliary Systems: Controls office ventilation fans — connects to CM30-AI1 expansion module to read room temperature, uses logic to start/stop fan via CM30-DO1 module, and reports status to building management system (BMS) via Modbus.
4. Test Bench Automation: Manages small electronic component test benches — DI detects component presence, expansion DO triggers test voltage, and communicates test results to a PC via Modbus.

Precautions

1. Expansion Limitation: Supports only 1 expansion module (max) — adding more causes communication overload and function failure.
2. I/O Wiring: For DI, use 0.5-1mm² copper cables; torque terminals to 0.5-0.8N·m (over-tightening damages terminals).
3. Communication Setup: Ensure Modbus RTU parameters (baud rate, parity, address) match upper-level systems (e.g., HMI) — mismatched settings cause data transmission errors.
4. Power Supply Stability: Use a regulated 24V DC power supply (ripple ≤5%) — unregulated power leads to random resets or I/O misreading.
5. Software Compatibility: Use ABB CM Configurator v3.0+ (latest version) for programming — older versions lack support for some CM30 series functions.
6. Mounting Space: Reserve 5mm clearance on both sides of the module for heat dissipation — insufficient space causes overheating (critical in high-temperature environments ≥50°C)

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