Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 92)

Publication 1746-UM005B-EN-P - June 2004
A-2 Specifications
General Analog Input
Specifications for NI4,
NIO4I, and NIO4V
Catalog 1746- Input Channels per
Module
Output Channels per
Module
Backplane Current Draw External 24V dc Power
Supply Tolerance
5V (max.) 24V (max.)
NI4 4 differential, voltage or
current selectable per
channel, not individually
isolated NA 35 mA 85 mA NA
NIO4I 2 differential, voltage or
current selectable per
channel, not individually
isolated 2 current outputs, not
individually isolated 55 mA 145 mA NA
NIO4V 2 differential, voltage or
current selectable per
channel, not individually
isolated 2 voltage outputs, not
individually isolated 55 mA 115 mA NA
NO4I NA 4 current outputs, not
individually isolated 55 mA 195 mA 24 ±10% at 195 mA max.
(21.6 to 26.4V dc)
(1)
NO4V NA 4 voltage outputs, not
individually isolated 55 mA 145 mA 24 ±10% at 145 mA max.
(21.6 to 26.4V dc)
(1)
(1) Required for some applications if SLC 24V power is not readily available.
Specification 1746-NI4 1746-NI04I, -NIO4V
Converter Resolution 16 bit
Repeatability ±1 LSB
Location of LSB in I/O image word 0000 0000 0000 0001
Non–linearity 0.01%
Common Mode Voltage Range -20 to +20 volts
Common Mode Rejection at 0 to 10 Hz (min.) 50 dB
Common Mode Rejection at 60 Hz (min.) 105 dB
Normal Mode Rejection at 60 Hz (min.) 55 dB
Channel Bandwidth 10 Hz
Step Response 60 ms at 95%
Conversion Method Delta–Sigma Modulation
Impedance to ANL COM
380K ohms
(1) 500K ohms
Impedance channel to channel
760K ohms
(2) 1M ohms
(1) The value listed is for Series B and greater. For Series A, the impedance to ANL COM is 500K Ohms.
(2) The value listed is for Series B and greater. For Series A, the impedance channel to channel is 500K Ohms.