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SPECIFICATIONS:
Part Number: DS200LDCCH1APA
Manufacturer: General Electric
Series: Mark V
Product Type: Drive Control/LAN Communication Board
Power Requirements: +5 V dc, 6 A
Number of relay channels: 32
Power supply voltage: 28 V dc
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -30 to +65°C
Size: 15.9 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEI-100216
FUNCTIONAL DESCRIPTION:
DS200LDCCH1APA is a Drive Control/LAN Communication Board manufactured and designed by General Electric as part of the Mark V Series used in GE Speedtronic Control Systems. The Power Supply Board (DCFB) receives 38 and 115 V ac (24 V dc) input power from the control power transformer (CPT) and provides control-level power to the drive and 115 V ac power (NA) to the enclosure fans. The DCFB board includes the following circuits:
DRIVE CONTROL/LAN POWER SUPPLIES :
The DCFB board receives 38 V ac (±10%) from the CPT (24 V dc). This voltage is full-wave rectified and filtered to produce the unregulated ±24 V dc outputs. The +24 V dc output is rated at 3 A and the –24 V dc output is rated at 1 A. Regulators on the DCFB board derive ±15 V dc from the ±24 V dc supplies. The ±15 V dc outputs are each rated at 0.8 A, of which 0.25 A is available for external loading. The DCFB board also generates a +5 V dc, 4 A output from the +24 V dc supply.
The /PSEN signal on 2PL goes to a TTL low state when the +5 V dc supply is in regulation and the signal goes high if the +5 V dc supply goes out of regulation. When high, /PSEN generates a micro-processor reset on the Drive Control Card (SDCC/LDCC). The DCFB board provides isolated +5 and ±15 V dc supplies to power the armature current feedback circuits. The power supply outputs are protected against short circuits by fuses FU2 and FU3 (7 A, 2AG). Light-emitting diodes (LEDs) CR51 and CR55 provide blown fuse indications for these fuses. The 115 V ac output is protected by fuse FU1 (1/2 A, 2AG). Neon light LT1 provides a blown fuse indication for FU1.
VOLTAGE AND CURRENT FEEDBACK VCO CIRCUITS:
The DCFB board includes voltage-controlled oscillator (VCO) circuits that convert input voltages to frequency signals. Each VCO has a nominal output frequency of 250 kHz. The output frequency varies from 0 to 500 kHz, depending upon the input voltage. VCO outputs are sent to the SDCC/LDCC board through connector 1PL to provide feedback on the following:
The output bridge VCO circuit provides feedback to the SDCC/LDCC board through connector 1PL, pin 13 (1PL- 13). DIP switch SW4 is used to scale the voltage applied to the circuit. A frequency-to-voltage reconstruction circuit provides a diagnostic signal for test point TP37 on the SDCC/LDCC board through 1PL-37. The diagnostic bridge voltage signal can be viewed using an AC-coupled oscilloscope. The second VCO provides feedback on the motor voltage to the SDCC/LDCC board through 1PL-39. DIP switch SW5 is used to scale the voltage applied to the circuit.
AC LINE MAGNITUDE AND ZERO CROSSING:
The DCFB board contains amplifier circuits that process the ac line-to-line voltages. The voltage feedback signals are sent to the SDCC/LDCC board through 1PL-11, 1PL-12, and 1PL-29. These signals are used to detect power bridge SCR failures and may also be used to derive the synchronization signal for the firing of the SCRs. DIP switches SW1, SW2, and SW3 are used to scale the ac line voltage feedbacks.
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What is a Drive Control/LAN Communication Board?
A Drive Control/LAN Communication Board is an essential component used in industrial automation and motor control systems. It enables communication between a motor drive and a local area network (LAN), allowing seamless integration with other control systems.
What communication protocols are supported by these boards?
Drive Control/LAN Communication Boards typically support industry-standard communication protocols such as Modbus TCP/IP, Ethernet/IP, PROFINET, and CANopen. These protocols ensure seamless interoperability between various automation devices, allowing efficient control and data exchange in networked environments.
Can I connect multiple drives to a single LAN Communication Board?
Yes, multiple drives can be connected to a single LAN Communication Board, depending on the board’s specifications and network configuration. Many boards support daisy-chaining or multi-drop networking, allowing several drives to be controlled and monitored through a single network connection, simplifying system design and reducing wiring complexity.
