Specifications

Publication 1747-SG001E-EN-E - February 2013
Select SLC 500 I/O Modules 23
8-Channel Output Modules
Optional 24V DC power supply must be N.E.C. Class 2.
Output Specifications for 8-Channel Modules
Catalog Number 1746-NO8I 1746-NO8V
Backplane current (mA) @ 5V 120 mA 120 mA
Backplane current (mA) @ 24V 250 mA
160 mA
(1)
(1) J4 jumper set to RACK; 0 mA at 24V dc with J4 Jumper set to EXT.
Backplane power consumption 5.6 W 5.6 W
Thermal dissipation, max 6.6 W 4.44 W
Isolation voltage Tested @ 500V DC Tested @ 500V DC
Number of outputs 8 8
Output type Current Voltage
Output range 0…21.5 mA ±10.25V DC
Output coding (proportional scaling) 0…32,767 -32,768…+32,767
Resolution 16-bit
366 nA/count
16-bit
320 μV/count
Non-Linearity 0.06% of full scale
DAC conversion method R-2R Ladder Network
Output step response 1 ms (0…95% of full scale)
Channel update time (typical) Class 1: 5 ms to update all 8 channels
Class 3: 10 ms to update all 8 channels
Load range 0…500 Ω 1 kΩ and greater
Load current N/A 10 mA, max
Output impedance Greater than 1M Ω Less than 1.0 Ω
Overrange capability 7.5% (21.5 mA) 2.5% (±10.25V)
Overall accuracy 0.1% of full scale @ 25 °C (77 °F)
0.2% of full scale @ 60 °C (140 °F)
Overall accuracy drift, max ±33 ppm/°C of full scale
Gain error 0.08% of full scale @ 25 °C (77°F)
0.15% of full scale @ 60 °C (140°F)
Gain error drift, max ±25 ppm/°C of full scale
Calibration Factory calibrated.