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4. Assignment on Computer
Computer I/O ad-
dress (hexadecimal)
HML0 + 00
(Initial value)
to
S-LINK V
HML0 + 3F
I/O data
HML0 + 40
HML0 + 41
to
HML0 + 44
HML0 + 45
HML0 + 46
HML0 + 47
HML0 + 48
HML0 + 49
Communication frame confirmation / Error No. clear / Default / System set / Interruption
Communication frame confirmation indication / Error No. clear indication / Default indication /
HML0 + 4A
System set indication / Busy indication / On Hold indication / Command under execution indication
HML0 + 4B
HML0 + 4C
HML0 + 4D
HML0 + 4E
HML0 + 4F
HML0 + 50
HML0 + 51
to
HML0 + 5F
Notes: 1) HML is the first address in I/O region assigned by plug and play.
2) For "HML0 + 00 to HML0 + 3F," the contents of the assignment vary depending on the contents of the bank
change-over request register and the bank change-over response register.
3) Reading out / Writing in "HML0 + 00 to HML0 + 3F" must be done after the contents of the bank change-
over request register and those of the bank change-over response register match.
6
Bank change-over response register
00H
01H
02H
S-LINK V
Address
I/O unit
where
connected
Error 3
address
occurs
Transmission mode / I/O control point
S-LINK V I/O unit connected node number
Command execution request register
Command completion response register
Bank change-over request register (Computer → Control board)
Bank change-over response register (Control board → Computer)
Communication stop / Reset (Data clear / Hold)
Input hold (Hold / Hold cancel)
Input change interruption (Effective / Ineffective)
Occurrence condition for input change interruption (ON → OFF / OFF → ON)
Error interruption (Effective / Ineffective)
Unused (=00) (unable to write into it)
System reserved (impossible to read out / write in)
Assignment
03H
04H
Address
Address
where
where
Error 4
Error 5
occurs
occurs
I/O setting
Not usable (= 04)
Error No. / Error state
(Computer → Control board)
(Control board → Computer)
Board No. setting (BSN)
(R/W: Read out / Write in, R: Read out only)
05H
06H
Occupied
Interruption
I/O state
address
setting
R/W
07H
Data
area
R
R/W
R
R
R/W
R
Status
area
R/W
R
R/W
R/W
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