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4.6.7
DeviceNet interface
The DeviceNet interface card has the type designation PR 1721/44.
The fieldbus card contains all functionalities to make a complete DeviceNet slave with a
CAN controller and transmission speeds up to 500 kbit/s.
The DeviceNet connection is established by 5-pin terminal.
The card is inserted into "Slot 2"
(see Chapter
).
Specifications
Description
Data
Transmission rate
125, 250 and 500 kbit/s
Protocol
DeviceNet Master Slave
-
Polling procedure (polled IO)
-
CRC error recognition according to IEC 62026 (EN 50325)
-
Max. 64 station nodes
-
Data width max. 512 byte "input & output"
-
Watch-Dog Timer
(see Chapter
)
Configuration
EDS file "sag_5230.eds"
MAC-ID (1
62)
Potential isolation
Yes, optocoupler and DC/DC converter
Bus termination
120
Ω
at the cable ends
Bus load
33 mA @ 24 V DC
Cable type
DeviceNet; color: petrol green; 2x2 twisted pair; screened
Cable impedance
150
Ω
Cable length
Depends on cable type and transmission rate: 100
500 m
Transmitter in field housing PR 5230
4 Device installation
Minebea Intec
EN-88