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

Page 171

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4. SCON-CA


165

4.7

Communicating with the Master Station

4.7.1 Operation Modes and Corresponding PLC I/O Areas

The channel assignments in each mode are shown below.
x PLC

output

o SCON-CA input (* n indicates the node address of each axis.)

SCON-CA DI and input data register

Remote I/O mode

Position/simple

direct mode

Half direct mode

Full direct mode

Remote I/O mode

2

PLC output area

(channel)

Number of

occupied

channels: 1CH

Number of

occupied

channels: 4CH

Number of

occupied

channels: 8CH

Number of

occupied

channels: 16CH

Number of

occupied

channels: 6CH

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-motion

current-limiting value

n+7 Control

signal

Zone boundary+

n+8
n+9

Zone boundary-

n+10 Acceleration
n+11 Deceleration

n+12

Push-motion

current-limiting value

n+13

Load current

threshold

n+14 Control

signal

1

n+15

Control signal 2


(Note) The areas denoted by “occupied area” are occupied according to the operation mode setting.

These areas cannot be used for any other purpose. Also exercise caution to avoid node address
duplication.

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