Mitsubishi Electric WS0-CPU0 Operating Manual page 245

Figure 227:
Sequence/timing diagram
for the Press setup function
block
Logic programming – Function blocks
Restart input
If the Restart interlock parameter has been set to Without, a Restart signal is not
required in order to restart the press after any kind of stop. The Restart interlock
parameter can also be set to the following values:
 When Release 1 or Start/Release is Low
 When Release 1 is Low or Top changes to High
 Always
This parameter determines when a Restart signal is expected as input signal for the
function block.
If the Enable output changes to Low because of the above-mentioned settings of the
configuration parameters for Restart interlock, the Enable output can only be reset
after a valid restart sequence with a Low-High-Low transition (minimum 100 ms or 350
ms; shorter pulses and pulses longer than 30 s will be ignored) has been carried out.
Output signals of the function block
Restart required
The Restart required output is High, when a valid restart sequence is expected at the
Restart input.
Enable
The Enable output is High, when Restart required is Low (i.e. a restart is not
required) and the following conditions are fulfilled:
 When Single stroke protection is set to Without, Release 1 (static) is High,
Release 2 (start) (if configured) is High and a rising edge (Low to High) is detected
at the Start/Release input, or
 if Single stroke protection is set to With, Start/Release changes from Low to
High, Release 1 (static) is High and Release 2 (start) (if configured) is High. In this
case the Enable output changes to Low when the Top input changes from Low to
High.
Release 1 (static) inverted
The Release 1 (static) inverted output signals whether an enable signal for the Press
setup function block is present. If Release 1 (static) is High, Release 1 (static)
inverted is Low and vice versa.
Chapter 9
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