DS215DMCBG1AZZ03A - IOS Processor and Communication Card

SPECIFICATIONS:

Part Number: DS215DMCBG1AZZ03A
Manufacturer: General Electric
Series: DC2000
Product Type: IOS Processor and Communication Card
Number of channels: 12
Common Mode Voltage Range: +5 V dc
Analog output current: 0-20 mA
Operating temperature: -30 to 65 �C
Size: 8.26 cm high x 4.18 cm
Frequency: 50 or 60 Hz
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6122

FUNCTIONAL DESCRIPTION:

DS215DMCBG1AZZ03A is an IOS Processor and Communication Card manufactured and designed by General Electric as part of the DC2000 Series used in GE Speedtronic Turbine Control Systems. The IOS+/IEI units use DS200-based IOS hardware printed wiring boards (boards) with physical packaging and performance enhancements over the previous versions of the IOS. These two units provide the features of the IOS in applications requiring panel mounting using the IEI and door/desk mounting using the IOS+. Both units support expanded I/O, an additional 32 input points, and 28 outputs. The operation of IOS+ and IEI is almost identical to the DS200-based IOS. The IOS+ and IEI are composed of three major boards and several optional boards.

The DS2000DMCB (DMCB) is the main control board. The primary functions of the DMCB are to supply the control power requirements and provide an interface and a data processing unit for the following information paths:

• Operator keypad and display
• Drive Local Area Network (DLAN)
• ARCNET Local Area Network (DLAN+) optional module
• Genius Local Area Network controller optional daughterboard
• RS-232C port
• Local logic input and output optional interface boards
• DS200IOEA I/O Expansion Interface board

There are two microprocessors on this board: the dominant microprocessor (DUP) and the LAN microprocessor (LUP). The DUP is an Intel 80C186 running at a clock rate of 33 MHz. Most of the circuitry on this board is associated with this processor. The LUP) is an 80C196 processor operating at a clock frequency of 15.667 MHz. LUP is the drive DLAN and DLAN+ communication processor.

FUNCTIONS OF IOS PROCESSOR AND COMMUNICATION CARD:

• Direct operator interface is provided in two forms, one with the DS200KLDB board (KLDB), and one with the DS200DKLB board DKLB). The KLDB board has 32 configurable keys with state LEDS, 6 configurable 10-character displays, and a seventh diagnostic display with a 16-key keypad.

• A variation of this board is the DS200DKLB Board. The DKLB provides the same functionality as the KLDB with a reduced number of keys and displays. Both boards use the keyboard microprocessor (KUP), an 80C196 microprocessor operating at a clock frequency of 11.059 MHz. to provide key, display, and LED functions.

• An auxiliary power supply module provides the conversion from the 115/230 ac line voltage to the 19 V AC CT control power required by the main unit. The ac line is connected directly to the DS200DPCB power connect board. A 3-wire ac control power connection is made between this module and 1TB on the main unit.

• LAN connection points are provided on 1TB. Except for I/O and RS-232C, connect directly to the DMCB board and IOEA board if present, all external wiring connects to this terminal board.

• If an ACNA board is present, it provides a connector converter between the ARCPL Molex connection on the DMCB board and the coaxial (coax) BNC LAN connections. This board also has a power fail detection circuit that controls two relays. If power is lost or removed, the unit is disconnected from the DLAN+, and coax connections at channels A and B are tied together through NC relay contacts.

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FREQUENTLY ASKED QUESTIONS:

What microprocessors are used on the IOS Processor and Communication Card?

The card uses two different microprocessors to handle various tasks efficiently. The DUP (Dominant Microprocessor) is an Intel 80C186 processor that operates at a clock speed of 33 MHz and handles most of the processing tasks on the card. This microprocessor is responsible for the majority of the card's computational functions. In addition, the card includes a secondary microprocessor, the LUP (LAN Microprocessor), which is an Intel 80C196 processor operating at 15.667 MHz.

How do the IOS Processor and Communication Card connect to external devices?

The IOS Processor and Communication Card connect to external devices via the 1TB terminal board. This terminal board provides the necessary interface points for DLAN, DLAN+, RS-232C, and various I/O connections.

What power supply does the IOS Processor and Communication Card require?

The IOS Processor and Communication Card require a 19V AC CT control power, which is supplied through an auxiliary power module. This module converts 115/230V AC line voltage into the low-voltage power necessary for the operation of the card. The conversion ensures that the card receives the appropriate voltage levels to maintain stable performance.