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Manual – DFE32B Fieldbus Interface PROFINET IO
59
6
MOVITRAC® B (gateway) – control
Operating Behavior in Conjunction with PROFINET
6.5.1
Control example for SIMATIC S7 with MOVITRAC
®
B (gateway)
The drive inverter is controlled using SIMATIC S7 in accordance with the selected pro-
cess data configuration either directly using load and transfer commands or by means
of special system functions SFC 14 DPRD_DAT and SFC15 DPWR_DAT.
In principle, S7 data lengths of 3 bytes or more than 4 bytes must be transmitted using
system functions SFC14 and SFC15.
6.5.2
SBus timeout
If one or more drive inverters on the SBus can no longer be addressed by the DFE32B,
the gateway displays error code
F11 System error
in status word 1 of the corresponding
inverter. The
H1
LED (system error) lights up, and the error is also displayed via the di-
agnostics interface. It is necessary to set the
SBus timeout interval (P815)
of the
MOVITRAC
®
B system error to a value other than 0 for the inverter to stop. The error
resets itself in the gateway, which means the current process data are exchanged im-
mediately after communication is restarted.
6.5.3
Unit errors
The gateways detect a series of errors during the self test and respond by locking them-
selves. For the exact error responses and according measures please refer to the error
list (
→
"Error list in gateway operation"). A hardware defect causes error
F111 system
error
to be displayed on the fieldbus process input data for status words 1 of all drive in-
verters. The
H1
LED (system error) at the DFE is lit. The exact error code of the gateway
status can be displayed via the diagnostics interface with MOVITOOLS
®
MotionStudio
(Tool "Status").
6.5.4
Fieldbus timeout response of the DFE32B in gateway operation
You can set how the gateway should respond in case of timeout using the
P831 Fieldbus
timeout response
parameter.
Process data configuration
STEP 7 access via
3 PD ... 24 PD
System functions SFC14/15
(Length 6 ... 48 bytes)
Param + 3 PD ... 24 PD
System functions SFC14/15
(Length 6 ... 48 bytes for PD + 8 bytes for parameter)
No response
The drives on the subordinate SBus continue with the last setpoint value.
These drives
cannot
be controlled when the PROFIBUS communication is
interrupted.
PA_DATA = 0
(factory setting)
The rapid stop is activated for all drives that have a process data configuration
with control word 1 or 2 when a PROFINET timeout is detected. For this, the
gateway sets the bits 0 to 2 of the control word to 0.
The drives are stopped via the rapid stop ramp.
0
0
I
Содержание DFE32B PROFINET IO
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