Range of product
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Modicon STB distributed I/O solution
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Product or component type
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Standard Network Interface Module
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Integrated connection type
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Modbus Plus conforming to modbus.org 9-way female SUB-D connector 1 twisted pair (network)
Modbus Plus conforming to modbus.org HE-13 (RS232 port)
Modbus Plus conforming to modbus.org 8-way female (RS232 port)
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Number of segments
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1 primary, maximum 6 extensions
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Number of devices per segment
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0…32 per segment
0…64 all segment
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Transmission rate
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1 Mbit/s for bus length of 0…1800 m per segment with 3 repeaters
1 Mbit/s for bus length of 0…450 m per segment
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Structure type
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Industrial LAN
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Electromagnetic compatibility
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Immunity to electromagnetic interference conforming to IEC 61131-2
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Product certifications
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CSA
UL
FM Class 1 Division 2
C-Tick
ATEX Cat 3G
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Pollution degree
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2 conforming to IEC 60664-1
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Operating altitude
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<= 2000 m
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IP degree of protection
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IP20 conforming to IEC 61131-2 class 1
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Ambient air temperature for operation
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0…60 °C (without derating)
-25…70 °C (with derating factor)
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Ambient air temperature for storage
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-40…85 °C
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Relative humidity
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95 % at 60 °C without condensation
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Vibration resistance
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3 gn at 58…150 Hz on 35 x 7.5 mm symmetrical DIN rail
5 gn at 58…150 Hz on 35 x 15 mm symmetrical DIN rail
+/-0.35 mm at 10…58 Hz
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Shock resistance
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30 gn for 11 ms conforming to IEC 88 reference 2-27
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