Profibus
7
300802431_002_C0 - 09/2019 - © Leybold
Extended Data 2 Register Map
Output
Input
Byte Description
Byte Description
0
Operation Command High Byte
0
Drive Status High Byte
1
Operation Command Low Byte
1
Drive Status Low Byte
2
Frequency setpoint High Byte*1
2
Motor Speed High Byte *1
3
Frequency setpoint Low Byte*1
3
Motor Speed Low Byte *1
4 to 11 Reserved
4 to 11 Reserved
* 1. The unit is 0.01 Hz
Table 13 Operation Command
Byte Command Bits
Description
Byte 1
0
Start / Stop (1 = Start, 0 = Stop)
Byte 1
1 to 7
Reserved
Byte 0
8
Reserved
Byte 0
9
Reset
Byte 0
A to F
Reserved
Basically set reserved bits to 0!
Table 14 Drive Status
Byte Command Bits
Description
Byte 1
0
Pump rotating
Byte 1
1
Pump stands still
Byte 1
2, 3
Reserved
Byte 1
4
Normal operation (frequency setpoint reached)
Byte 1
5
Drive ready (ready to start, no fault)
Byte 1
6
Alarm
Byte 1
7
Fault
Byte 0
8 to F
Reserved
MEMOBUS/Modbus Message Area
MEMOBUS/Modbus Message Area is
not
active.
Handshaking Register
Handshaking Register is
not
active.
Table 13
Table 14