Product Short Description
Product Introduction
Plug-in expansion module for ABB DCS800 series industrial DC thyristor speed controllers, expands base drive unit analog input/output channel capacity for external process sensor signal connection, auxiliary analog actuator control and system interlock signal transmission. 0050 denotes factory defined hardware variant with 50mA auxiliary current source output capability.
Description
Technical Specifications
- Analog Input Channels: 6 isolated differential analog input channels
- Analog Output Channels: 4 isolated single-ended analog output channels
- Input Signal Range Compatibility: 0–10V DC, 4–20mA DC standard industrial signals
- Auxiliary Sensor Current Source: 50mA DC regulated excitation supply for passive transmitters
- Isolation Rating: 2000V AC galvanic isolation between drive power stage and I/O signals
- Module Power Supply: Powered directly via DCS800 drive internal backplane bus
- Operating Ambient Temperature: 0°C ~ +55°C inside control cabinet
Functional Features
- Galvanic isolation eliminates ground loop interference between DC drive high-power stage and field sensors
- Per-channel software configurable signal range via DCS800 drive control panel
- Overvoltage transient suppression protection for all analog wiring terminals
- Real-time analog signal value readback via drive control software interface
- Hot-plug compatible with powered DCS800 drive rack without full system shutdown
Performance Parameters
- Analog Measurement Resolution: 14-bit per input channel conversion resolution
- Output Signal Regulation Accuracy: ±0.1% full scale analog output
- Isolation Circuit Leakage Current: <0.8μA at rated dielectric withstand voltage
- Channel Crosstalk Interference: ≤0.05% full scale between adjacent channels
Material Composition
FR-4 flame retardant PCB substrate, silicon optocoupler isolation components, precision metal foil signal resistors, flame retardant ABS plastic module housing, nickel-plated screw terminal blocks
Structural Characteristics
Standard DCS800 drive rack pluggable module form factor, front removable two-row screw terminal block for field analog wiring, rear gold-plated edge connector for drive backplane communication and power supply
Working Principle
Field process analog sensor signals enter isolated input channels, filtered and converted to digital data via onboard ADC chip, digital signal transmitted through drive backplane bus to DCS800 main control CPU. User-configured control algorithms generate analog output setpoints converted via DAC chip, isolated and output to external proportional valves, indicators and auxiliary process actuators.
Advantage Highlights
- Direct native expansion for DCS800 DC drive without external signal isolator accessories
- Integrated 50mA sensor excitation source eliminates separate 24V power supply for passive transmitters
- Hot plug capability minimizes production line downtime during module replacement
- Software configurable signal ranges reduce spare module inventory requirement
Applicable Industries
Metallurgical rolling mill DC motor drives, paper machine winder/unwinder speed control, mining conveyor DC traction drives, printing press main drive systems, plastic extrusion line DC motor speed regulation
Installation Requirements
- Insert module into vacant slot on ABB DCS800 main drive unit internal rack
- Maintain minimum 15mm vertical ventilation gap between adjacent expansion modules
- Analog field wiring uses shielded twisted pair cable with single-point shield grounding
- Cabinet ambient air circulation required for continuous full-load module operation
Usage Precautions
- Do not apply signal voltage exceeding 12V DC to analog input terminals
- Limit single auxiliary current source output load to maximum 50mA DC continuous
- Execute module channel parameter reset after hardware replacement
- Prevent conductive dust accumulation inside drive cabinet to avoid terminal short-circuit risk
Reviews
There are no reviews yet.