B&R Automation PC 3100 User Manual page 80

Technical data
2.3.5.4.3.1 Pinout
Type
Transfer rate
Bus length
Pin
1
2
3
4
5
6
7
8
9
2.3.5.4.3.2 I/O address and IRQ
Resource
I/O address
IRQ
1) Resource allocation is identical for the interface option 1 and 2 slots.
2.3.5.4.3.3 CAN - Bus length and cable type
The type of cable to be used depends largely on the required bus length and number of nodes. The bus length is
determined by the transfer rate. According to CAN in Automation (CiA), the maximum bus length is 1000 meters.
The following bus lengths are permitted at a maximum permissible oscillator tolerance of 0.121%:
Extension
≤1000 m
≤200 m
≤100 m
≤20 m
Preferably, the cable material used should have the following properties or deviate only slightly from them in order
to achieve an optimal transfer rate.
CAN cable
Signal line
Cable cross section
Wire insulation
Conductor resistance
Stranding
Shield
Ground conductor
Cable cross section
Wire insulation
Conductor resistance
Outer jacket
Material
Properties
Cable shield
80
CAN bus
Electrically isolated
Max. 1 Mbit/s
Max. 1000 meters
Pinout
n.c.
CAN LOW
GND
n.c.
n.c.
Reserved
CAN HIGH
n.c.
n.c.
Table 88: 5AC901.ICAN-01 - Pinout
Default setting
384h (address register)
385h (data register)
IRQ10
Table 89: I/O address and IRQ
Table 90: CAN - Bus length and transfer rate
2x 0.25 mm² (24AWG/19), tinned copper stranded wire
1x 0.34 mm² (22AWG/19), tinned copper stranded wire
Table 91: CAN cable requirements
Automation PC 3100 User's manual V 1.00 Translation of the original documentation
DSUB, 9-pin, male
Function
Defines the register number to be accessed.
Access to the register defined in the address register.
Interrupt
Transfer rate
Typ. 50 kbit/s
Typ. 250 kbit/s
Typ. 500 kbit/s
Typ. 1 Mbit/s
Property
PE
≤82 Ω/km
Wires stranded in pairs
Pair shielding with aluminum foil
PE
≤59 Ω/km
PUR compound
Halogen-free
Composed of tinned copper wires
1
6
9
5