1.2 Introduction to the INDEXER Module
1.2.1 Digital I/O
1-4
1.2
Introduction to the INDEXER Module
The INDEXER Module is a single-axis positioning device that is equipped with a program table
operation function. The INDEXER Module is mounted to the side of the SERVOPACK.
The INDEXER Module has two reference methods: digital I/O and serial commands. These
command methods are described in the following sections.
1.2.1
Digital I/O
Digital I/O is used with a program table (mode 0) or a jog speed table (mode 1). You can use a
program table (mode 0) to execute the program steps that you select with I/O signal patterns
(binary format). If the jog speed table (mode 1) is being used, the jog speed selected with the
input signal pattern (binary format) can be executed.
• Program Table
• An INDEXER Module with a firmware version of 3 or higher is required to use the INDEXER
Module with a Σ-7-Series SERVOPACK.
• An INDEXER Module can be attached only to a Command Option Attachable-type SERVO-
PACK.
Note
PGMSTEP
POS SPD RDST RSPD ACC DEC EVENT LOOP NEXT
0
I+400000
2000 500000 1000 200 100 T5000 1 1
1
I+100000
1000 200000 2000 100 50 IT0 1 END
...
...
...
...
...
...
...
...
...
...
n
I+400000
2000 500000 1000 100 50 IT100 1 n+1
n+1
I+100000
1000 200000 2000
...
...
NT0 1 END
...
...
...
...
...
...
...
...
...
...
254
I+400000
2000 500000 1000 100 50
SEL3T200
1127
255
I+100000
1000 200000 2000 100 50 DT0 1 END
Start signal
Positioning Completion signal
T=100 ms
Time
Speed
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