5 - 1
Chapter 5
Control of EH-SIO
EH-SIO works based on the instructions from CPU module. The instruction of CPU module is made by user
program.
This chapter explains the command which controls EH-SIO, the register which display the status of EH-SIO, the
register which controls EH-SIO.
5.1
EH-SIO Control command (TRNS 9)
5.1.1
Function of command
Control of EH-SIO is executed by transmission command "TRNS 9".
TRNS 9 is the command to send / receive the data between CPU module and EH-SIO. This data includes
commands which controls EH-SIO, and a command. EH-SIO analyzes the command sent from CPU module, and
executes operation according to the command.
5 fundamental functions of TRNS 9 command are shown below.
(1) Setting of EH-SIO
If TRNS 9 command (initial-setting command) is executed, the communication mode of EH-SIO will be set up.
Figure.5.1 Operation of TRNS 9 (Initial setting)
(2) Data receiving from EH-SIO
If TRNS 9 command (Receive command) is executed, the data stored in the receiving buffer of EH-SIO is read to
the receiving data area of CPU module.
Figure 5.2 Operation of TRNS 9 (Receiving command)
TRNS 9
Initial setting command
Parameter of
communication mode
Communication mode
setting
EH-CPU
EH-SIO
EHV-CPU
TRNS 9
Receiving command
Data
Data
EH-SIO
Receiving buffer
EH-CPU
EHV-CPU
EH-SIO
Summary of Contents for EH-150 Series
Page 2: ......
Page 10: ...M E M O ...
Page 30: ...Chapter 4 Installation 4 10 M E M O ...
Page 156: ...Chapter 7 System setup 7 12 M E M O ...
Page 164: ...Chapter 8 Daily and Periodic Inspection 8 8 M E M O ...
