Cyclic Communication - Siemens SINAMICS G120 Operating Instructions Manual

Configuring the fieldbus
7.2 Communication via PROFIBUS
7.2.5

Cyclic communication

The PROFIdrive profile defines different telegram types. Telegrams contain the data for
cyclic communication with a defined meaning and sequence. The inverter has the telegram
types listed in the table below.
Table 7- 3 Inverter telegram types
Telegram type (p0922)
Telegram 1
Speed control
PZD 2/2
Telegram 20
Speed control, VIK/NAMUR
PZD 2/6
Telegram 352
Speed control, PCS7
PZD 6/6
Telegram 353
Speed control,
PKW 4/4 and PZD 2/2
Telegram 354
Speed control,
PKW 4/4 and PZD 6/6
Telegram 999
Free interconnection via BICO
PZD n/m (n,m = 1 ... 8)
Table 7- 4 Explanation of the abbreviations
Abbreviation Significance
STW1/2 Control word 1/2
ZSW1/2 Status word 1/2
NSOLL_A Speed setpoint
NIST_A_GLATT Smoothed speed actual value
IAIST_GLATT Smoothed actual current value
MIST_GLATT Actual torque
94
Process data (PZD) - control and status words, setpoints and actual values
PZD01 PZD02 PZD03
STW1 HSW
ZSW1 HIW
STW1 NSOLL_A ⇐ The inverter receives this data from the control
ZSW1 NIST_A ⇒ The inverter sends this data to the control
STW1 NSOLL_A
ZSW1 NIST_A_ IAIST_
GLATT GLATT
STW1 NSOLL_A
ZSW1 NIST_A_ IAIST_
GLATT GLATT
STW1 NSOLL_A
ZSW1 NIST_A_
GLATT
STW1 NSOLL_A
ZSW1 NIST_A_ IAIST_
GLATT GLATT
STW1 Telegram length on receipt can be configured up to max. 8 words
ZSW1 Telegram length on transmission can be configured up to max. 8 words
Abbreviation
PIST_GLATT
MELD_NAMUR
M_LIM
FAULT_CODE
WARN_CODE
PZD04 PZD05 PZD06
MIST_ PIST_ MELD_
GLATT GLATT NAMUR
PCS7 process data
MIST_ WARN_ FAULT_
GLATT CODE CODE
PCS7 process data
MIST_ WARN_ FAULT_
GLATT CODE CODE
Significance
Actual active power
Control word according to the VIK-NAMUR definition
Torque limit value
Fault number
Alarm number
Operating Instructions, 01/2011, FW 4.4, A5E02999804A AB
PZD07 PZD08
SINAMICS G120C Inverter