Sharp JW-20FLT ユーザーズマニュアル

Sharp

(1) Cyclic transfer .................................................................................................................... 7-10

(2) Message transfer ................................................................................................................ 7-11

[5] Transfer cycle ............................................................................................................................ 7-11

[6] Data area and memory ............................................................................................................. 7-12

[7] Communication management table .......................................................................................... 7-13

(1) Local node management table .......................................................................................... 7-13

(2) Participating node management table ............................................................................... 7-14

(3) Network management table .............................................................................................. 7-14

[8] Cyclic transfer and data area ................................................................................................... 7-15

(1) Outline of the cyclic transfer process ................................................................................ 7-15

(2) Common memory .............................................................................................................. 7-16

(3) Area 1 and area 2 .............................................................................................................. 7-17

(4) Guarantee of simultaneity ................................................................................................. 7-18

[9] Message transfers ................................................................................................................... 7-19

(1) Outline of the message transfer process ........................................................................... 7-19

(2) Table of support messages ............................................................................................... 7-20

(3) Details of the support messages ....................................................................................... 7-21

Chapter 8: Cyclic Transfer ................................................................................ 8-1 to 13

8-1 Setting procedures ........................................................................................................................ 8-3

8-2 Areas that can be allocated as the common memory area ........................................................... 8-4

(1) For the JW20H or J-board (Z-300 series) ........................................................................... 8-4

(2) For the JW30H or J-board (Z-500 series) ........................................................................... 8-5

(3) For the JW50H/70H/100H ................................................................................................... 8-6

8-3 Parameter settings for cyclic transfers .......................................................................................... 8-7

[1] Word addresses used for the top address .................................................................................. 8-8

(1) For the JW20H or J-board (Z-300 series) ........................................................................... 8-8

(2) For the JW30H or J-board (Z-500 series) ........................................................................... 8-9

(3) For the JW50H/70H/100H .................................................................................................. 8-11

8-4 Communication time ................................................................................................................... 8-13

[1] Token round time ...................................................................................................................... 8-13

[2] Round time when a communication error occurs ..................................................................... 8-13

Chapter 9: Message Transfers ......................................................................... 9-1 to 47

9-1 Message sending procedures and data reception details ............................................................ 9-2

9-2 Transmission buffer ....................................................................................................................... 9-4

[1] Allocation of available areas for the transmission buffer ............................................................ 9-5

(1) For the JW20H or J-board (Z-300 series) ........................................................................... 9-5

(2) For the JW30H or J-board (Z-500 series) ........................................................................... 9-6

(3) For the JW50H/70H/100H ................................................................................................... 9-7

9-3 Message transaction codes and execution conditions ................................................................. 9-8

9-4 Use of virtual address space and PC memory space ................................................................... 9-9

(1) For the JW20H or J-board (Z-300 series) ......................................................................... 9-10

(2) For the JW30H or J-board (Z-500 series) .......................................................................... 9-11

(3) For the JW50H/70H/100H ................................................................................................. 9-14

9-5 Computer link function ................................................................................................................ 9-16

[1] Setting the computer link to send and receive data ................................................................. 9-17

[2] Basic format of computer link commands ................................................................................ 9-19

(1) Communication format ...................................................................................................... 9-19

(2) Memory address expression format .................................................................................. 9-20