DS200TCQAG1AFC - Analog Input/Output Board

SPECIFICATIONS:

Part Number: DS200TCQAG1AFC
Manufacturer: General Electric
Series: Mark V LM
Number of Channels: 8
Product Type: Analog Input/Output Board
Input Range: ±10V
Resolution: 16-bit
Sample Rate: Up to 100 kS/s per channel
Input Impedance: >1 MΩ
Overvoltage Protection: ±35V
Power Requirements: +5 V dc, 6 A
Logic Levels: 3.3V and 5V compatible
Operating Temperature: 0°C to 70°C
Storage Temperature: -40°C to 85°C
Size: 30.48cm High x 21.33cm
Mounting: 4 mounting Holes
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6353B

FUNCTIONAL DESCRIPTION:

DS200TCQAG1AFC is an Analog Input/Output Board manufactured and designed by General Electric as part of the Mark V LM Series used in GE Linear Microprocessor Control Systems. The Analog I/O Boards (TCQA) scale and condition many of the analog signals read in by terminal boards mounted on the I/O cores , , and . These signals may include the LVDT/LVDR inputs, servo valve outputs, thermocouple inputs, 4– 20 mA inputs and outputs, vibration inputs, relay driver outputs, pulse inputs, voltage inputs, and generator and line signals. Some of the signals are written to the STCA board via the 3PL connector. The generator and line signals are exchanged with the TCQC board via the JE connector. 4–20 mA input signals such as the fuel flow pressure and compressor stall detect signals are scaled and conditioned on the TCQA board.

TCQA CONNECTORS:

2PL – Distributes power from the TCPS board in the , and cores..
3PL – The Data Bus between the STCA and TCQA boards in cores and and between STCA, TCQA, and TCQE boards in core . Conditioned signals are carried on 3PL for transferring to the COREBUS.
JA – Carries the thermocouple inputs and cold junction compensation from the TBQA board connector JAR/S/T for cores , , and respectively.
JB – Carries the 4–20 mA inputs and outputs to/from the TBQC terminal board connector JBR.
JD – Carries trip signals to the TCTG board in the core from the core, not used in or .
JE – Carries the servo valve driver outputs, relay driver outputs, generator and line signals, and the pulse signals to/from the TCQC board. Carries the power supply monitor inputs.
JF – Carries the LVDT/LVDR position inputs from the TBQC terminal board connector JFR.
JG – Carries the vibration inputs from the TBQB terminal board connector JGR and carries the +/- 10 V dc inputs.

TCQA CONFIGURATION:

Hardware: Hardware jumpers J1 and J2 are used to select the milliamp output circuits. J5 and J6 are used to configure the milliamp outputs current range, either 20 mA maximum or 200 mA maximum. J7 is used for the RS232 port for card tests. J8 enables an oscillator.

Software: I/O Configuration constants for the thermocouples, pulse rates, vibrations, LVDT/LVDR positions, and the 4–20 mA inputs and outputs are entered in the I/O Configurator located on the operator interface as described in section 5-3.3.

TCQA PULSE RATE INPUT CIRCUIT:

The TCQA board contains the circuitry that scales and conditions the pulse rate inputs read from the TCQC board via the JE connector. These signals originate from the TTL (transistor-to-transistor logic) and magnetic pick-up inputs whose signals are brought into the QTBA and/or PTBA terminal boards. The core receives the high-pressure shaft speed inputs. The pulse rate input circuits on and may be used for other signals.

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FREQUENTLY ASKED QUESTIONS:

What is the input range of the TCAQ Analog Input/Output Board?

The input range for the analog inputs is ±10V.

How many analog input channels does the board have?

The board has 8 differential or 16 single-ended analog input channels.

What is the resolution of the analog inputs and outputs?

Both the analog inputs and outputs have a 16-bit resolution.