Toshiba PDP002Z User Manual
E6581343 ③
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3. “PROFIdrive” Profile
3.1.
PPO TYPE
The PPO type of PDP002Z is set up by this parameter.
The PROFIBUS-DP protocol uses so-called PPOs (Parameter/Process Data Objects) in
cyclic communication. The figures below show the PPO types and configurations that the
PDP002Z supports
The PROFIBUS-DP protocol uses so-called PPOs (Parameter/Process Data Objects) in
cyclic communication. The figures below show the PPO types and configurations that the
PDP002Z supports
.
PKW PZD
PKE IND
PWE
PZD1
STW
ZSW
ZSW
PZD2
HSW
HIW
PZD3
PZD4 PZD5 PZD6
PPO TYPE 1: Octet-String 12
PPO TYPE 2: Octet-String 20
PPO TYPE 3: Octet-String 4
PPO TYPE 4: Octet-String 12
PKW: Parameter ID/value
PZD: Process Data, cyclically transferred
PKE: Parameter ID (1st and 2nd octet)
IND:
Sub-index (3rd octet), 4th octet is reserved
PWE: Parameter value (5th until 8th octet)
STW: Control
STW: Control
word
HSW: Main
setpoint
ZSW: Status
word
HIW: Main actual value
*
*
There are some by which a high byte / low byte is conversely treated depending on a master.