Product Data Document

420DS-6c / D301311X012

January 29, 2009 - Page 5

Bristol® ControlWave® Express

 

 

Ambient temperature effect on RTD measurement: ±0.01°C / ºC max

Long Term Stability at Constant Conditions:

±0.25ºC / month max

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 filtering: 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 Configuration: Externally sourced. Single– ended inputs - jumper selectable 4–20 mA or 1–5 Vdc

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 25 oC

0.2% of span -40 oC to 70 2 oC

Power consumption: Not applicable

Analog Output

Number of Channels: 1 AO optional

Output configurations: 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 @ 25 oC for current output; 0.1% + 3% of span @ 25 oC 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 output:

Analog current output: 0.1 watt

Analog voltage output: 0.1 watt

Remote Automation Solutions

Website: www.EmersonProcess.com/Remote

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Emerson Process Management Express manual Digital Inputs, Digital Outputs, Analog Inputs, Analog Output