AB Quality 1794-IB16 Installation Instructions Manual - Page 11
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24V dc FLEX I/O 16 Sink Input Module 11
Specifications - 24V dc Input Module Cat. No. 1794 IB16
Number of Inputs
16 (1 group of 16), non isolated, sinking
Module Location
Cat. No. 1794 TB3, TB3S Terminal Base
ON state Voltage
10V dc minimum;
24V dc nominal;
31.2V dc maximum
Mounting
Refer to Derating Curve
ON state Current
2.0mA minimum;
8.0mA nominal at 24V dc;
12.0mA maximum
OFF state Voltage
5.0V dc maximum
OFF state Current
1.5mA minimum
Input Impedance
4.6K ohms maximum
Isolation Voltage
100% tested at 850V dc for 1s between user and system
No isolation between individual channels
Input FilterTime
Off to On
256µs, 512µs, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms,
On to Off
256µs, 512µs, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms,
256µs default - Selectable thru output image table,
Flexbus Current
30mA
(maximum)
Power Dissipation
Maximum 6.1W @ 31.2V dc
Thermal Dissipation
Maximum 20.8 BTU/hr @ 31.2V dc
Indicators (field side
16 yellow status indicators
indication, customer
device driven)
Keyswitch Position
2
General Specifications
External dc Power
Supply Voltage
24V dc nominal
Voltage Range
10.0 to 31.2V dc (includes 5% ac ripple)
See derating curve.
Dimensions
Inches
1.8H x 3.7W x 2.1D
(Millimeters)
(45.7 x 94.0 x 53.3)
Environmental
Conditions
Operating
IEC 60068-2-1 (Test Ad, Operating Cold)
Temperature
IEC 60068-2-2 (Test Bd, Operating Dry Heat)
IEC 60068-2-14 (Test Nb, Operating Thermal Shock)
32 to 131 F (0 to 55 C)
Specifications continued on next page.
Publication 1794 IN072C-EN-P - October 2001