User Manual

22 SLC™ 500 4-Channel Analog I/O Modules
Publication 1746-IN008C-EN-P - May 2004
Backplane Current Specification for NI4, NIO4I, NIO4V, NO4I, NO4V, FIo4I,
and FIO4V
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 24V dc ±10% at 195
mA max.
(21.6 to 26.4V dc)
(1)
(1) Required for some applications if sufficient power is not available from SLC power supply.
NO4V NA 4 voltage
outputs, not
individually
isolated
55 mA 145 mA 24V dc ±10% at 145
mA max.
(21.6 to 26.4V dc)
(1)
FIO4I 2 differential, select
V or I per channel,
not individually
isolated
2 current
outputs, not
individually
isolated
55 mA 150 mA NA
FIO4V 2 differential, select
V or I per channel,
not individually
isolated
2 voltage
outputs, not
individually
isolated
55 mA 120 mA NA
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