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6 communicating with the master station – IAI America PCON-CFA User Manual

Page 176

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4. SCON-CA

168

4.6

Communicating with the Master Station

4.6.1

Operation Modes and Corresponding PLC I/O Areas

The channels allocated for each operation mode are described as follows.

x

PLC output o SCON-CA input (* “n” indicates the byte address of each axis.)

DI on the SCON-CA side and input data register

Remote I/O

mode

Position/

Simplified direct

value mode

Half direct value

mode

Full direct value

mode

Remote I/O

mode 2

PLC output

area (bytes)

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+0, n+1

Port No.0 to 15

Port No.0 to 15

n+2, n+3

Target position

Target position

Target position

n+4, n+5

Specified

position number

n+6, n+7

Control signal

Positioning band Positioning band

n+8, n+9

Speed

n+10, n+11

Acceleration/

Deceleration

Speed setup

Occupied area

n+12, n+13

Pressing

current-limiting

value

n+14, n+15

Control signal

Zone boundary+

n+16, n+17
n+18, n+19

Zone boundary-

n+20, n+21

Acceleration

n+22, n+23

Deceleration

n+24, n+25

Pressing

current-limiting

value

n+26, n+27

Load current

threshold

n+28, n+29

Control signal 1

n+30, n+31

Control signal 2

(Note) The Occupied area shows the area to be occupied with the operation mode setting.

Therefore, this area cannot be used for any other purpose. Also, exercise caution to avoid node address

duplication.

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