(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 |