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Probus Data Format
The probus highway uses RS485, 2 wire communication. Up to 126 devices can be connected on a signal net-
work provided suitable repeaters are included. Without repeaters only 32 devices, including the PLC are allowed.
Address 126 is reserved for a new device appearing on the highway.
ACT NACT 1Master ACT 2
PROFIBUS
BAUD RATE
MAX, Cable Length MAX, Cable Length
(Segment Length) (With Repeaters)
9,6k BAUD 1,200mm APPROX, 10km
187,5k BAUD 1,000mm APPROX, 10km
500k BAUD 400mm APPROX, 4km
1,5M BAUD 200mm APPROX, 2km
1. Control Order (Master ─> Slave) : 1 byte
Index Command Data
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Index Position Data
Table 1. Control Data Format
─ Index ( Bit 7): 0 - Setting operation with command and data eld
1 - Modulating operation with position data eld
─Setting command (Index = 0)
Bit
Description
7
Command Data
6 5 4 3 2 1 0
0
0 0 0 1 0 0 0 Phase check & make fault (Reserved)
0 0 0 1 0 0 1 Phase check & convent (Reserved)
0 0 1 0 0 0 0 Motor direction CW
0 0 1 0 0 0 1 Motor direction CCW
0 0 1 1 0 0 0 Inching mode
0 0 1 1 0 0 1 Holding mode
0 1 0 0 0 0 0 ESD direction STOP
0 1 0 0 0 0 1 ESD direction CW
0 1 0 1 0 0 0 Torque check on (Limit setting)
0 1 0 1 0 0 1 Torque check off (Torque seating)
0 1 1 0 0 0 0 Auto scanning stop (Not used)
0 1 1 0 0 0 1 Auto scanning start (Not used)
0 1 1 1 0 ~ 7 Deadband (0.1% + 0.3% *Value)
1 0 0 0 0 ~ 7 Time delay (0.0sec + 0.5sec *Value)