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4 communication with the master station – IAI America PCON-CFA User Manual

Page 171

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5. Flow and Commands of Basic MECHA

TROLINK Communication


165

5.4

Communication with the Master Station

5.4.1 Operation Modes and Handling of PLC Addresses


The address assignments under each operation mode are shown below.
x PLC

output

o SCON-CA input (* n indicates the output input address for each axis.)

SCON-CA and input data resister

Remote I/O

mode

Position/simple

direct mode

Half direct mode

Full direct mode

Remote I/O

mode 2

PLC output

address (word

address)

Number of

occupied bytes: 2

Number of

occupied bytes: 8

Number of

occupied bytes: 16

Number of

occupied bytes: 32

Number of

occupied bytes: 12

n

Port number 0 to

15

Port number 0 to

15

n+1

Target position

Target position

Target position

n+2

Specified position

number

n+3

Control signal

Positioning band

Positioning band

n+4

Speed

n+5

Acceleration/

deceleration

Speed

specification

Occupied area

n+6

Push-current
limiting value

n+7

Control signal

Zone boundary+

n+8
n+9

Zone boundary-

n+10

Acceleration

n+11

Deceleration

n+12

Push-current
limiting value

n+13

Load current

threshold

n+14

Control signal 1

n+15

Control signal 2


(Note) The “occupied area” is occupied according to the operation mode setting.

This area cannot be used for any other purpose. Also pay attention to use of duplicate addresses.

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