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B
2.3)
Technical
data for PLC
The HEIDENHAIN-PLC
offers
the following
hardware:
The figures
in brackets
apply to the second
input/output
board
1000
User Markers
- not power
fail protected
1000
User Markers
- power
fail proteced
1024
Designated
Markers
16 Counters
32 Timers
PL 100 B
64 (+64)
Inputs
32 (+32) Outputs
1 (+l)
Output
"Emergency
Stop"
1 (+I ) Output
"Current
supervision"
PL 110 B
64 (+64)
Inputs
-
26 (+26)
Outputs
3 (+3) Bipolar
Output
Pairs
1 (+l)
Output
"Emergency
Stop"
-
1 (+I)
Output
"Current
supervision"
Abbreviation
M
M
M
Z
T
E
A
E
A
A
Remarks
Marker
= '1 bit memory
User Marker
is a marker
freely available for
PLC-programming
Designated
Marker
is a marker
allocated
for
data transfer
between
the TNC and PLC
For counting
function
in PLC programme
For timing function
in PLC programme
9 Inputs
are designated
for TNC input signals
(only with
Board
1)
1 Input
per PCB is internally
wired
1 Output
per PCB is internally
wired
Internal
"Emergency
Stop"
wired
from the
NC section
of the control
directly
to the
output
For the monitoring
of the bipolar
outputs
9 Inputs
are designated
for TNC input signals
(only with
Board 1)
1 Input per PCB is internally
wired
1 Output
per PCB is internally
wired
For control
of D.C. motors
Internal
"Emergency
Stop"
wired
from
the
NC section
of the control
directly
to the
output
For the monitoring
of the bipolar
outputs
The PLC programme
will - irrespective
of the programme
length - cycle through
every 20 ms, thus the inputs
will be interrogated
once every 20 ms, an outputs
can change once every 20 ms.
9
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