Programmable Acquisition Module

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G-9344A Programmable Acquisition Module

The Programmable Acquisition Module (PAM), model G-9344A, is a second generation device that samples up to 18 inputs and outputs 24 registers of information in a serial fashion. The inputs are isolated with flying-capacitor technology and yields a common-mode rejection ratio of 120dB. A resistor is provided on each input to convert current loops to a precision voltage. The serial data out of the PAM is in an ASCII format specific to DGH analog output modules.

The key feature of the PAM is that each input may be calibrated to any span and offset in range of 100mV to 5V. Also, each input may assigned to any of 24 registers or combined with ther inputs and output in a register. These registers are then assigned an address that is programmed into the DGH analog output module and allows the user to "connect" a register to an output using a DGH module. The DGH modules are paralleled on the serial line for ease of installation.

Scaling of each input, calibration, and register configuring is accomplished through an application program running on a pc plugged into the "LAPTOP" port on the front panel. ANASET communicates to the "LAPTOP" port through the pc's serial port over a standard straight cable.

Specifications

Enclosure: 19" Rack Mount, 1U High, 10" Deep, aluminum.
Panel Mounting Holes: 2 Holes on vertical center spaced 6.25".
Power Inputs: 90-132Vac (115Vac), 180-264Vac (230Vac), 9-16Vdc (12Vdc), 19-32Vdc (24Vdc), 38-63Vdc (48Vdc), 85-140Vdc (120Vdc), 15 watts maximum.
Analog Inputs: 100mV to 5V absolute level, 10V maximum span (±5V), 20mA maximum current into 250 Ohm resistor, 5V drive, 12-Bit resolution when calibrated.
Accuracy: 0.01% per degrees C, ±1.5LSB, over 0 to +65°C range.
Noise Floor: Less than 2mV.
Linearity: Better than 0.01% of span.
Serial Outputs(Laptop and Telemetry): ±10V levels; RD and TD supported on each, no handshaking except RTS on LAPTOP Port; DB-9S Female 9-pin D-shell connector on both; Laptop Port configured for Straight Cable to PC. or 25-pin female
Temperature Range: 0°C to +70°C.

DataSheet: G-9344A.pdf 10-01-03 50KB

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