Emerson Bristol ControlWave ExpressPAC Manual do Utilizador descarregar pdf (Página 6)

Product Data Document

420DS-7e / D301312X012

June 2011 - Page 6

ControlWave ExpressPAC

Remote Automation Solutions

Website: www.EmersonProcess.com/Remote

Digital Inputs

Number of points: up to 4 dedicated DI and 4 •

selectable DI (2 DI/DO, 2 DI/HSC)

Non-interrupting inputs•

Internally sourced, dry contact single ended •

inputs

Input Voltage Range: Internally sourced dry •

contact input - 3.3 Vdc

On state: >1.6 V, Off state <1.3V •

Input current :•

4 DI selectable 60 µA for low power applications

or 2 mA for in-plant noise immunity

2 DI/DO selectable 200 µA or 2.2 mA

2 DI/HSC selectable 200 µA or 2.2 mA

Input ltering: 15 ms time constant (contact •

bounce)

Power consumption: •

All 8 inputs ON: 0.005 watt

(4 inputs @ 66 µA and 4 @ 200 µA)

All 8 inputs ON: 0.075 watt

(4 inputs @ 2 mA and 4 @ 2.2 mA)

Digital Outputs

Number of points: 2 dedicated, •

2 selectable DO (2 DI/DO)

Output type: solid state open drain MOSFET•

Operating voltage range: 10 - 31Vdc•

Maximum operating frequency: 20 Hz•

Current sink capability: 400 mA at 16 V (6 V •

system), 400 mA at 30 V (12/24 V system)

Power consumption:•

Not applicable to DOs

Analog Inputs

Number points: 3 AI optional •

AI Resolution: 14 bit •

Input Conguration: Externally sourced. Single–•

ended inputs - jumper selectable 4–20 mA or

1–5 Vdc. Terminal block connections provided

for external source.

Input Impedance: 1 megΩ - 1 5 Vdc;•

250 Ω - 4-20 mA•

Input Filtering: 12 Hz•

Channel Settling Time: 600 ms to be within •

0.01% of input signal

Input accuracy:•

0.1% of span at 25ºC•

0.2% of span -40 ºC to 70 ºC•

Power consumption: •

Not applicable

Analog Output

Number of Channels: 1 AO optional•

Output congurations: Selectable externally •

sourced 4-20 mA or 1-5 Vdc:

250 ohm with 12 V external source

650 ohm with 24 V external source

1-5 Vdc @ 5mA max., 11 to 30 Vdc external

source

D/A resolution: 12 bit•

Accuracy: •

0.1% of span @ 25ºC for current output;

0.1% + 3% of span @ 25ºC for voltage

0.3% of span @ -40 to 70 ºC for current

0.3% + 3% of span @ -40 to 70 ºC for voltage

Power consumption – 1 outputs: •

Analog current output: 0.1 watt

Analog voltage output: 0.1 watt

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