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Guard I/O DeviceNet Safety
Module 1791DS-IB12,
1791DS-IB8XOB8,
1791DS-IB4XOW4
I/O Connectors
Attribute
Wire type
Environmental Specifications
Attribute
Communications power
supply voltage
Communications current
consumption
I/O power supply voltage
Operational temperature
Storage temperature
Relative humidity
Vibration
Operating shock
Operating environment
Overvoltage category
Weight
Enclosure Type Rating
(1)
Wiring Category
(1)
Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring
and Grounding Guidelines, publication 1770-4.1.
Safety Input Specifications
Attribute
Inputs type
ON voltage
Value
Copper
Use the following to wire 1791DS.
2
• 0.2...2.5 mm
(AWG 24...12)
Solid wire
• 0.34...1.5 mm
2
(AWG 22...16 )
Standard (flexible) wire with insulation-covered bar
terminal
Value
11...25V dc (supplied from communications power supply)
110 mA at 24V dc
20.4...26.4V dc (24V dc, -15...+10%)
-10...55 °C (14...131 °F)
-40...70 °C (-40...158 °F)
10...95% non-condensing (1791DS-IB12,-IB8XOB8)
10...85% non-condensing (1791DS-IB4XOW4)
0.35 mm (0.01 in.) at 10...57 Hz
5 g at 57...150 Hz
15 g (1791DS-IB12, 1791-IB8XOB8)
10 g (1791DS-IB4XOW4)
No corrosive gases
II (per IEC 61131-2:4.4.2)
420 g (0.93 lb) - 1791DS-IB12, 1791-IB8XOB8
600 g (1.32 lb) - 1791DS-IB4XOW4
None (open-style)
2 - on signal ports
2 - on power ports
2 -on communications ports
Value
Current sinking
11V dc min
Publication 1791DS-UM001H-EN-P - April 2009
Specifications
181
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