Hitachi EH-150 Applications Manual page 33

Ethernet module 2 eh-eth2
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(b-1) FUN200 command (for EH-150 series)
The notation of the FUN200 command specification and FUN200 usage for this module are described here.
Format
FUN 200 ( s )
Parameter
Starting I/O No. of the s parameter area
Function
- This command handles Ethernet parameters using extended XY area between CPU module and this module.
- The control type supported by this command is only "With hand shaking" for both receiving and sending. Don't
specify and execute "Without hand shaking" for this command.
- 55 words are the possible size when sending or receiving using this command at once.
The description of s parameter area
s + 0
(1) Return code
s + 1
(2) System area
s + 2
(Not be allowed to use by user)
s + 3
(3) Control type
s + 4
(4) The start of the area
s + 5
(5) Control bit I/O No. of starting sending
or receiving
s + 6
(6) Starting I/O No. of Destination (or
Source)
s + 7
(7) Size
The description of control bit table for sending or
receiving
+ 0
(8) Starting execution flag
+ 1
(9) The completion flag without error
+ 2
(10) The completion flag with error
The description of the frame
The area should be set by user
The area inhibited to set by user
(8) Starting execution flag
When to start sending or receiving with FUN200
command, please set "1" by user program.
This bit will be reset by system execution when the
sending or receiving is completed.
(9) The completion flag without error
This bit will be set to "1" when the sending or receiving
by FUN200 command is completed without error. This
will be reset by system when FUN200 start to execution.
(10) The completion flag with error
This bit will be set to "1" when the sending or receiving
by FUN200 command is completed with error. This will
be reset by system when FUN200 start to execution.
Chapter 5 Configuration of Communication parameters
FUN200 command
(1) Return code
The execution result of FUN200 command is set.
Completed without error -> = H0000
Completed with error -> != H0000
(2) System area
This area is used by system execution when FUN200
command is executed. Don't use this area by user.
(3) Control type ("With hand shaking" is supported.)
H0001:The request to get Ethernet parameters from this
module
H0002: Don't set this value.
H0003:The request to put Ethernet parameters to this
module
H0004 to HFFFF: Don't set these value.
(4) The start of the area
b15
Unit No.
Unit No. : Always "0" is required.
Slot No. : Following value is required.
[For EH-CPU516/548] One of 0 to 7.
[For other EH-CPUs] One of 0 to 2.
The position of word : Always "0" is required
(5) Control bit I/O No. of starting sending or receiving
The actual address value of R, L and M which has the
starting I/O No. of the sending or receiving control bit area
should be set using ADRIO command.
(6) Starting I/O No. of Destination (or Source)
The actual address value of WR, WL and WM which has
the starting I/O No. of the source or destination area
should be set using ADRIO command.
(7) Size
The size of using area for sending or receiving should be
set. For this module, maximum size is 55 words.
5-13
b11
b7
Slot No.
The position of word
b0

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