Apendix 1 Specifications
134
Apendix 1 Specifications
The intelligent PI/O system general specifications, serial bus specifications and I/O bus
specifications are given in Tables 1.1 to 1.3, respectively.
Appended Table 1.1 Intelligent PI/O system general specifications
Item Specification
Environment Operation temperature
0 to 55
C
Storage temperature
-20 to 75
C
Humidity 10 to 90% RH (no condensation)
Vibrations 2 to 9 Hz, complex amplitude 0.75 mm
9 to 150 Hz acceleration 1.96 m/s
2
Shock 98 m/s
2
, 3 times (X, Y, Z directions)
Grounding
Less than 100
Atmosphere No severe corrosive gases
Dust concentration 0.3 mg/m
3
or less
Power supply System power supply
24 Vdc
10% (ripple 5% or less)
PI/O external power supply According to PI/O module
specifications
Cooling method Natural air cooling
Appended Table 1.2 Serial bus specifications
Item Specification
Composition of transmission path Shielded twisted pair cable
Number of connected nodes During dualization Maximum 30 nodes (maximum 15
communication base units)
Transmission path length Maximum 30 m (path exclusively for wiring inside cabinet)
Transmission rate 1 Mbps
Transmission format Conforms to IEEE 802.4.
Topology Multi-drop
Transmission path impedance
100
Bus dualization Standard dualization
Module dualization Communication module dualization is possible.
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