ABB CM302DMS0E0STD

Description

ABB CM302DMS0E0STD

Technical Specifications & Performance Parameters

1. Form Factor & Physical Size: 1/4 DIN standard panel cutout 96mm (W) × 48mm (H), overall depth 121mm; net weight 0.3kg
2. Display & Operation Interface: 2.4-inch full-color backlight TFT LCD, 6 tactile membrane operation keys; multi-language support (English, German, French, Spanish, Italian); two-level password authority lock for parameter protection
3. Signal Input Channels (Universal):
   • 2 isolated universal analog input channels: support J/K/T/E/R/S/B/N thermocouples, Pt100/Pt1000 RTD thermal resistors, 0–20mA, 4–20mA, 0–10V DC, mV resistance signals
   • 2 configurable digital input channels: 24VDC dry contact input for interlock, remote setpoint switching
   • Measurement precision: ±0.1% FS for analog sampling; input sampling cycle adjustable 20ms–100ms
4. Output Channels:
   • 2 isolated analog control outputs: 4–20mA / 0–10V DC software switchable
   • 4 SPDT electromechanical relay outputs: rated load 5A@250VAC / 3A@30VDC, used for valve, heater, alarm load driving
5. Control Algorithm Core Parameters:
   • Dual independent PID loops, support cascade control, feedforward compensation, ratio control, adaptive self-tuning PID, on-off two-position control, manual backup mode
   • Built-in mathematical operation, logic judgment, cumulative totalization, segment timing control functions
   • Automatic PID parameter autotune algorithm for fast process loop matching
6. Power Supply Options: Universal AC 100–240V 50/60Hz; optional 24VDC DC power supply; power consumption maximum 12VA
7. Environmental Working Parameters:
   • Operating ambient temperature: 0°C ~ +60°C
   • Storage transportation temperature: -20°C ~ +70°C
   • Relative humidity: 5%–95% non-condensing
8. Protection Grade: Front panel IP65 (waterproof, dustproof for cabinet door installation); rear wiring terminal area IP20
9. Communication Interfaces (Optional): RS485 Modbus RTU, Industrial Ethernet
10. Certifications: CE, UL, IEC 61131, RoHS compliant

Function Characteristics

1. Dual-loop independent control realizes synchronous regulation of two different process parameters in one instrument, reducing cabinet installation space
2. Universal signal input eliminates the need for external signal converters, compatible with all mainstream industrial process sensors
3. Rich alarm logic: high/low absolute value alarm, deviation over-limit alarm, sensor break alarm, delay trigger alarm, relay alarm output linkage
4. Self-adaptive PID algorithm automatically adjusts proportional/integral/differential parameters according to process inertia, avoiding overshoot and oscillation
5. Front panel one-key quick auto-tuning, supports offline parameter configuration via PC configuration software
6. Modular hardware structure, easy replacement of communication and I/O expansion modules
7. Complete data recording function, real-time display of process curve, set value, output percentage and fault codes

Material Composition

1. Front panel: High-strength flame-retardant PC plastic, matte anti-scratch coating, integrated silicone membrane key panel
2. Internal circuit substrate: Double-sided FR4 copper-clad PCB with anti-oxidation gold-plated signal terminals
3. Rear shell: ABS flame-retardant engineering plastic, built-in metal shielding layer to resist electromagnetic interference
4. Relay components: Silver alloy contact electromagnetic relays with long mechanical service life
5. Wiring terminals: Copper alloy nickel-plated screw terminals, anti-loose spring wire clamping structure