Specifications – Rockwell Automation 1746-NO8V SLC 500 8-Point Analog Output Module User Manual

Page 16

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16 SLC 500 8-Point Analog Output Module

Publication 1746-IN026A-EN-P - July 2003

Specifications

Table 7 General Specifications

Specification

1746-NO8I

1746-NO8V

I/O Chassis
Location

Any 1746 chassis slot except slot 0

Backplane Current
Consumption
(maximum)

120 mA at 5V dc

250 mA at 24V dc (J4 jumper set to RACK)
0 mA at 24V dc (J4 jumper set to EXT)

120 mA at 5V dc

160 mA at 24V dc (J4 jumper set to RACK)
0 mA at 24V dc (J4 jumper set to EXT)

Backplane Power
Consumption
(typical)

5.6W

Optional External
24V dc Power
Supply

N.E.C. Class 2 required:
operating voltage: +24V dc ±10%
minimum output current: 200 mA for 1746-NO8V, 300 mA for 1746-NO8I

NOTE: The external 24V dc power supply terminal block ground connection (DC COM) is
connected to the SLC power supply ground.

IMPORTANT: Do not use the 24V dc user power terminal on the chassis power supply to
power the analog output module.

Number Of
Channels

8 single-ended

LED Indicators

Eight green channel status indicators, one for each channel
One green module status indicator

Calibration

Factory calibrated

Thermal Dissipation

6.6W

Field Wiring to
Backplane Isolation

500V dc

Recommended
Cable

Belden 8761 (shielded, twisted-pair) or equivalent

Wire Size
(maximum)

Two 14 to 24 AWG wire per terminal

Grounding Wire
(optional)

¼ inch wide (minimum) braid

Terminal Block

Removable (supplied)
Replacement Catalog Number 1746-RT25G

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