DGH A1000 series Spécifications télécharger pdf

D3000 and D4000 SERIES

COMPUTER TO ANALOG OUTPUT MODULES

D3000 and D4000 FEATURES

• Analog output ranges: 0-1V, ±1V, 0-5V, ±5V, 0-10V,

±10V, 0-20mA, 4-20mA.

• Communicates in ASCII with RS-232 or RS-485 serial

ports.

• Programmable high/low output limits.

• 500Vrms output isolation.

• 12-bit output resolution.

• Scaling in engineering units.

• Baud rates: 300 to 38,400.

• Nonvolatile digital calibration.

• Output protection: 240VAC (current output).

±30V (voltage outputs).

• Direct connection to ‘dumb’ terminals or modems.

• Requires +10 to +30Vdc unregulated supply.

• May be located up to 4,000 feet from host (RS-485).

• Addressable: up to 124 units per serial port.

• ‘Bumpless’ manual control inputs.

D4000 PROGRAMMING FEATURES

Provides intelligent features not found in the D3000.

• Fully programmable output slopes: 0.01V/s (mA/s)

to 10,000V/s (mA/s).

• Programmable data scaling to any desired units.

• True analog readback of output signal.

• Programmable starting value.

• Programmable watchdog timer provides orderly

shutdown in the event of host failure.

APPLICATIONS

• Motion control

• Motor speed control

• Robotic welding control

• Interfaces to modems

• Programmable analog source for product test

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Résumé du contenu

Page 1 - D3000 and D4000 SERIES

D3000 and D4000 SERIESCOMPUTER TO ANALOG OUTPUT MODULESD3000 and D4000 FEATURES• Analog output ranges: 0-1V, ±1V, 0-5V, ±5V, 0-10V,±10V, 0-20mA, 4-20m

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D3000/4000 SPECIFICATIONS (typical @+25°C and nominal power supply unless otherwise noted.)Analog Output• Single channel analog output.Voltage: 0-1V,

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GENERAL DESCRIPTION & BLOCK DIAGRAMThe DGH D3000/4000 series are complete computer-to-analog output interfaces. They are designed to bemounted rem

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MANUAL MODEManual Up/Down control option provides a local operatorinterface to control the analog output value independentof the host. As shown in Fig

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COMMAND SETThe D3000/4000 series uses a simple command/response protocol for communication. A module mustbe interrogated by the host to obtain data. A

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COMMUNICATIONSThe D3000/4000 is designed to be easy to interface toall popular computers and terminals. All communicationsto and from the module are p

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Figure 4. RS-485 Multidrop Network.Figure 5b. 100 Channel Network.by the host are examined by every module in the chain. Ifa module is correctly addre

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In Figure 6, a D1251C sensor module is used to converta 0-20mA process signal to ASCII data. The D1251C isoperated in continuous output mode to produc