beautypg.com

Rockwell Automation 1794-IE4XOE2,1794-IE8,1794-OE4,D17946.5.2 FLEX I/O ANALOG MODULE User Manual

Page 59

background image

Specifications

A–3

Publication 1794Ć6.5.2 - May 1996

Specifications - 1794ĆOE4/B Analog Output Module

Number of Outputs

4 singleĆended, nonĆisolated

Module Location

Cat. No. 1794ĆTB2, ĆTB3 Terminal Base Unit

Resolution

Voltage

Current

12 bits plus sign

2.56mV/cnt

5.13

µ

A/cnt

Data Format

left justified 16Ćbit 2's complement

Conversion Type

Pulse Width Modulation

Conversion Rate

1.024ms maximum all channels

Output Current Terminal

0mA output until module is configured

4Ć20mA user configurable

0Ć20mA user configurable

Output Voltage Terminal

0V output until module is configured

±

10V user configurable

0-10V user configurable

Step Response to 63% of FS

24ms

Current Load on Voltage Output

3mA maximum

Resistive Load on mA Output

15 Ć 750 ohms

Absolute Accuracy

Voltage Terminal

Current Terminal

0.133% Full Scale @ 25

o

C

0.425% Full Scale @ 25

o

C

Accuracy Drift with Temperature

Voltage Terminal

Current Terminal

0.0045% Full Scale/

o

C

0.0069% Full Scale/

o

C

Calibration

None Required

Isolation Voltage

Tested at 850V dc for 1s between user and system

No isolation between individual channels

Indicators

1 green power indicator

Flexbus Current

20mA

Power Dissipation

4.5W maximum @ 31.2V dc

Thermal Dissipation

Maximum 15.3 BTU/hr @ 31.2V dc

Keyswitch Position

4

Specifications continued on next page.