Sharp Z-336J - Manual (Page 7)

(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