Rockwell Automation 1798-IB4D FlexArmor 24V dc Diagnostic Sinking Input Module - Manual (Page 6)

6 FlexArmor 24V dc Diagnostic Sinking Input Module
Publication 1798-IN010A-EN-P - April 2002
Troubleshooting with the Indicators
The following table describes status indicators on the diagnostic input
modules.
Specifications
I/O Status Indicators
Function Indicator Status
Inputs
Diagnostic LED
Yellow
Off
Solid Red
Blinking Red
Off
Input ON
Input OFF
Sensor Power Short
Off Wire
Normal
Specifications - 1798-IB4D
Module Type Digital Input, Sinking
Number of Channels 1 group of 4
Sensor Source Current 50 mA per connector
On-state Voltage 10-28.8V dc; 24V dc nominal
On-state Current 2-12 mA; 8 mA @ 24V dc
Off-state Voltage 5V dc maximum
Off-State Current 1.5 mA minimum
Channel Impedance 4.6K Ω maximum
Isolation Voltage 850V dc channel-to-system for 1s
Delay Times: Off to On
On to Off
256 us, 512 us, 1 ms, 2ms
4 ms, 8 ms, 16 ms, 32 ms
(Selectable; 256 us default)
FlexBus Current 80 mA maximum
Power Dissipation 2.0W @ 28.8V dc
Thermal Dissipation 6.8 BTU/hr. @ 28.8V dc
Indicators 4 channel status - yellow
4 diagnostic indicators- red
External DC Power
Voltage (24V dc nom.)
Current 10-28.8V dc; 5% AC ripple
300 mA maximum
Dimensions
(H x D x W) 118 mm x 57 mm x 40 mm
4.63 in. x 2.25 in. x 1.58 in.
Operational
Temperature IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20 to 60°C (-4 to 140°F)