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Handling by the
The table below gives you an overview of how to handle this mode.
User
Note
Please see also Section 9.1.3!
Control Actions
Preconditions:
Table 9-7
Control Actions for "MDI" mode (examples)
Signal Name
Control action 1, define position
Transfer MDI block (job no.
6)
Control signal:
Start [ST]
Checkback signals:
e.g. Travel plus [FR+]
Start enable [SFG]
Processing in progress [BL]
e.g. Travel plus [FR+]
Processing in progress [BL]
Position reached, stop [PEH]
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Triggering of Movement
Start
"MDI block on-the-fly" transmitted
to the FM 453
The FM 453 has been parameterized.
The mode has been selected and confirmed
Drive enable [AF] = 1 (control signal, FC MODE_WR)
Stop [STP] = 0 (control signal, FC MODE_WR)
Servo enable (RF) = 1 (FC MODE_WR, job no. 10)
Axis is synchronized
Level
When the MDI block has been transferred, [ST] can be initi-
ated.
The axis cancels the [SFG] and outputs messages [BL] and
[FR+]
When the defined position has been reached, the axis enables
[PEH]; [SFG] and checkback signals [FR+] and [BL] are
reset.
Description of Functions
Type of Movement
as defined by "MDI block"
(job no. 6)
as defined by "MDI block on-the-
fly" (job no. 16)
Explanation
9-27
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