02.2004 Communication / USS
Siemens AG 6SE7087-6QX70 (Version AD)
SIMOVERT MASTERDRIVES Compendium Motion Control 8.1-35
USS protocol on the CBP2 board
♦ Settings:
USS protocol with 19.2 kbit/s and 4-word PKW area and 2-word
PZD area
• 4-word PKW area:
With this setting, all parameters whose values are 16 bit- (= 1
word) or 32-bit variables (double word) can be read or written by
means of the USS protocol.
• 2-word PZD area:
Transmission of control word 1 and a setpoint (each 16 bits) from
the master to the converter and of status word 1 and an actual
value (each 16 bits) from the converter to the master.
♦ Requirements:
P060 = 1 or 7
♦ Parameterization of the interface on the CBP2 board:
Parameter
number
Parameter Value Comments
P713.x CBP2 protocol 2
A change from PROFIBUS to USS protocol
and vice versa only comes into effect when
the voltage of the drive is turned off and then
on again.
Parameter
number
Parameter Value Comments
P918.x CBP2 BusAddr 21 Bus address CBP2 = 21
P718.x CBP2 Baud 7 19.2 kbit/s
P719.x CBP2 PKW #. 4 4-word PKW
P720.x CBP2 PcD #. 2 2-word PZD
P722.x CBP2 TlgOFF. 0...6500
0: No monitoring
>0: Monitoring time in ms
Example 4
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