Technical data

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100

Rockwell Automation Publication 1769-TD006C-EN-P - March 2012 93

1769 Compact I/O Modules Specifications

1769-OF8C

Compact current output analog module

Table 72 - Technical Specifications - 1769-OF8C

Attribute 1769-OF8C

Outputs 8 single-ended

Output range 0…20 mA

4…20 mA

Full scale range

(1)

0…21 mA

3.2…21 mA

Resolution 16 bits (unipolar)

0…20 mA: 15.91 bits, 0.323 μA/bit

4…20 mA: 15.59 bits, 0.323 μA/bit

Current draw @ 5.1V 145 mA

Current draw @ 24V 140 mA

Heat dissipation, max 2.69 W

Conversion rate (all channels), max 5 ms

Step response to 63%

(2)

< 2.9 ms

Resistive load on current output 0…500 Ω (includes wire resistance)

Inductive load (current outputs), max 0.1 mH

Field calibration None required

Accuracy

(3)

±0.35% full scale @ 25 °C (77 °F)

1769-OF8C

ANLG Com

DC NEUT

+24V DC

I out 7+

I out 6+

I out 5+

I out 4+

I out 3+

I out 2+

I out 1+

I out 0+

Current

Earth Ground

The external power supply must be rated Class 2, with a 24V DC range of 20.4…6.4V DC

and 60 mA minimum. Series B and later modules support this option.

External 24V DC Power

Supply (optional)