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3-1
Section
Analog I/O Units
185
Analog Outputs
CPU Unit
Analog I/O Unit
Ladder program
MOVE instruction
Writes the range code.
Writes the set value.
Word (n + 1)
(See note.)
Analog devices
Adjustment equipment
Servo Controller
Variable speed device
Recorder
Other
Note
Word (n + 1) can be used for either the range code or the analog output set value.
Range code
Analog output set value
Where “n” is the last output word allocated to
the CPU Unit, or previous Expansion Unit or
Expansion I/O Unit.
(21)
This section describes how to connect an Analog I/O Unit to the CPU Unit.
A maximum of 3 Expansion Units or Expansion I/O Units, including up to 3 Ana-
log I/O Units, can be connected to one CPM2A or CPM1A PC. When the Analog
I/O Unit is used in combination with other Expansion Units or Expansion I/O
Units, there are no restrictions on the connection order.
CPM1A/CPM2A
CPU Unit
CPM1A-MAD11
Analog I/O Unit
I/O Allocation
I/O is allocated for the Analog I/O Unit in the same way as other Expansion Units
or Expansion I/O Units starting from the next word following the last allocated
word on the CPU Unit or previous Expansion Unit or Expansion I/O Unit. When
“m” is the last allocated input word and “n” the last allocated output word on the
CPU Unit, or previous Expansion Unit or Expansion I/O Unit, the allocation will
be as follows:
CPM1A-MAD11
Analog I/O Unit
Analog input 0: Word m+1
Analog input 1: Word m+2
Analog output: Word n+1
32 inputs
16 outputs
Connecting the
CPM1A-MAD11 Analog
I/O Unit
Содержание SRM1 - PROGRAMING 02-2001
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