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9.9.3
CAN bus cable
The interface cable is a 1:1 connection (9-pole SUB-D socket to 9-pole SUB-D plug).
•
Characteristic impedance: 120 Ω
•
Cable capacitance : max. 60 nF/km
•
Lead resistance (loop):: 159,8 Ω/km
•
Max. cable length : 70 m (1
For EMC reasons, the SUB-D connector housing must fulfill the following conditions:
•
metal or metallized housing provision for cable shielding connection in housing,
•
large-area connection.
You have to terminate the first and the last node (120 Ω ).
9.9.4
Speciality 1
•
The 1
•
Minimum power dissipation of the power supply unit: 1 VA each node.
•
An additional resistor 10 kΩ (250 mW, metal 1%) between Pin 1 and Pin 4 is necessary.
9.9.5
Speciality last node
•
The last node needs a jumper bridge (0 Ω) at CAN-1B between Pin 4 and Pin 9.
You can order pre-assembled cables with the following Art.No.:
Position
CAN bus cable (1:1) 250 mm
CAN bus cable (1:1) 700 mm
CAN feedlead
CAN termination
Power supply 12 V
9.9.6
Fault detection
The following faults will be detected:
•
Missing or defect +12V-CAN power supply
•
Malfunction of a bus node
•
Break of the CAN bus cable
9.9.7
Connecting external CANopen bus devices
It is possible to connect external CANopen devices with PMCprimo-motion control-systems.
With e.g. a CAN-I/O module you can increase the number of inputs and outputs in the system.
A CANopen encoder or CANopen panel can also be used.
Much more examples and hints can be found on the manual „PMCprimo CAN network" on the
enclosed CD-ROM.
Page 68
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st
to last node )
st
node
st
node is supplied at CAN-1A (X11/2, Pin 9) with +12V , at Pin 3 CAN-GND (0V).
Art.No
1803136
1803117
0802951
0802950
4803002
Installation manual PMCprimo Drive2
9 Interfaces
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