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Data transmission with PDO and SDO
Operation manual
ID 441896.05
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27
7
Parameter
Bit Length Data Type Content
E200 Device
StatusByte
8
U8
Device status byte:
This byte contains status signals of the device
controller.
•
Bit-0: Enabled. The drive is ready. No faults, the device status
corresponds to
E84=4:Oper. enabled
.
•
Bit-1: Error. Device status is "fault reaction active" or "fault."
•
Bit-2: Quick stop (also quick stop in "fault reaction active").
•
Bit-3, 4: With multiple-axis operation, the active axis is shown
here
Bit4Bit3Achse
00Achse 1
01Achse 2
10Achse 3
11Achse 4
•
Bit-5: Axis in
E84
is active.
•
Bit-6: Local: Local operation is activated.
•
Bit-7: Bit 7 in
A180
(device control byte) is copied once every
device controller cycle to bit 7 in
E200
(device status byte). When
bit 7 in
A180
is toggled, the higher-level PLC is informed of a
concluded communication cycle (send, evaluate, return data).
For PROFIBUS for example, this permits cycle-time-optimized
communication. The handshake bit 7 in
A180
/
E200
supplies no
information as to whether the application has reacted to the
process data. Depending on the application, other routines are
provided for this (e.g., motion-Id for command positioning).
Information
You can only use the toggle signal of bit 7 when device controllers
3:terminals
,
4:USS
,
5:CANopen
,
6:PROFIBUS
or
23:EtherCAT
are
used. If you configured a DSP 402 device controller, bit 7 always has
signal status 0.