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Description of Functions
Control Actions
Preconditions:
Table 9-8
Control Actions for "Automatic" Mode (examples)
Signal Name
Control action 1, Automatic/Automatic single block mode
Control signals:
Mode [BA]
Read-in enable [EFG]
Checkback signals:
Active mode [BAR]
Start enable [SFG]
Control action 2, positioning by program selection
Program selection
(job no. 17)
Control signal:
Start [ST]
Checkback signals:
Travel plus [FR+] or Travel
minus [FR–]
Start enable [SFG]
Processing in progress [BL]
Control action 3, M function output
Checkback signals:
Change M function [AMF]
M function number [MNR]
Control signal:
Acknowledge M function
[QMF]
Control action 4, M function output and positioning
Control signal:
Acknowledge M function
[QMF]
Checkback signals:
Position reached, stop [PEH]
Travel plus [FR+] or Travel
minus [FR–]
9-32
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
The user initiates [BA] and [EFG].
The module returns [BAR] and [SFG].
When [SFG] appears, the program can be activated by [ST]
when [EFG] is active.
Processing commences, e.g. with a positioning operation.
[FR+] or [FR–] and [BL] are activated. [SFG] is reset.
2nd M command
If M function output is acknowledgement-driven, for exam-
ple, the user program can continue to process the [MNR]
when [AMF] appears.
M function output is complete. [QMF] acknowledges the M
function, and [AMF] and [MNR] disappear.
Block with M output (same as control action 3) and position
is started.
The program is resumed on completion of the M function
output. [FR+] and [FR–] are deactivated and [PEH] is reset.
Explanation
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
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