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Fig. 3.1/1 Layout of the control board SDCS-CON-2
Key Features
1. Microprocessor and ASIC-Based Control
- The 80186EM microprocessor ensures high-speed operation and efficient processing.
- The DC94L01 ASIC circuit provides application-specific functionalities such as:
- Communication via RS-485 (control panel and field exciters).
- Measurement, watchdog functionality, A/D and D/A conversion control.
- Thyristor firing pulse generation.
2. Integrated Memory and Backup System
- Flash PROM (D33 & D35) stores system programs and parameter values.
- Static RAM circuits backed by a 1 F capacitor store operational data like fault logs and alarms, with a backup duration of several days.
- Full charge of the backup capacitor takes approximately 30 minutes.
3. Watchdog Functionality
- Monitors the operation of the control board program.
- Automatically disables writing to FPROM and resets critical outputs during faults.
4. Communication and Integration
- DDCS (Digital Drive Control System) channel supports data transfer rates up to 4 Mbits/s.
- Terminals X16:4 and X16:5 provide +24 V / ≤150 mA power supply for fieldbus modules.
Specifications
Power and Connections
- Power Supply for Fieldbus Modules: +24 V, ≤150 mA.
- Terminal blocks (X3 to X7 and X16) are removable and must be connected in sequence.
Input/Output Scaling and Modes
- Analog Inputs:
- ±90 to ±270 V hardware range, 12-bit resolution.
- Other ranges: ±30 V, ±8 V, or fixed ±3 V for nominal converter current.
- Digital Outputs:
- 7 outputs, 160 mA total limit, short-circuit proof.
- Encoder Supply:
- Selectable 5V, 12V, or 24V supply.
Special Notes
- Ensure impedance matching (120 Ω) and use sense lines for accurate voltage corrections.
- Signal definition:
- 0–8 V = “0” status, 16–60 V = “1” status.
- Analog smoothing time ≤2 ms for high accuracy.
Applications
- DCS500 Converters: Used for thyristor control and advanced drive operations.
- DCS600 Converters: Enables high-speed communication and integrated fieldbus module functionality.
Contact Us
- Phone: +86-15915488782
- Email: uma@meloauto.com
- WhatsApp: +8615915488782
- Business Hours: 24/7 service
- Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China
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