;B#"B(#?
Section 4-1
,&
Special I/O Unit Area and
Special I/O Unit DM Area
The Special I/O Unit Area and the Special I/O Unit DM Area are allocated to the
Unit according to the Machine Number (=N) set. For the Special I/O Unit Area 40
CIO words are allocated and for the Special I/O Unit DM Area 400 DM words are
allocated. For more information on the exact memory location of the Special I/O
Unit and Special I/O Unit DM Areas and the Machine Numbers that can be set,
refer to
.
Unit Status Data
The Special I/O Unit Area contains the status information of the High-speed Coun-
ter Unit in CIO and is divided in an area with output words and an area with input
words. Both areas are divided in five parts: a general part and four Counter spe-
cific parts and are updated cyclically every I/O refresh.
Unit Configuration Data
The Unit configuration data is located in the Special I/O Unit DM Area, which is
allocated to the High-speed Counter Unit, and the Range/Comparison Data. The
Mode for which the Unit is configured determines if you have to set Range or Com-
parison Data (refer to 3-5-1
and 3-5-2
for
more information). The location of the Range/Comparison Data is indicated by an
Indirect Address that you have to specify for every Counter (refer to 4-2-2
for detailed information).
The Special I/O Unit DM Area contains the configuration settings of the High-
speed Counter Unit. It is divided in five parts: a general part and four Counter spe-
cific parts. The general part contains the settings that are relevant for the whole
Unit and the Counter specific parts contain the settings that are relevant to the
specific Counters.
The Unit Configuration Data is transferred to the High-speed Counter Unit at
Power Up or after the Unit has been restarted (refer to 4-1-2
Note
The Unit configuration data can also be transferred during actual operation of the
Unit, by issuing an IOWR-instruction (refer to 4-5-3-4
4-1-2
Special I/O Units Restart bits
By turning the Unit Restart Bit from OFF to ON the Unit can be restarted. Restart-
ing the Unit can be used to transfer the Unit configuration settings (e.g. after cor-
rection of an error) from the CPU to the Unit.
The Unit can also be restarted by turning the Power from OFF to ON.
Bit
Function
A50200
Unit No. 0 Restart Bit
Restarts the Unit when
turned from OFF to ON.
A50201
Unit No. 1 Restart Bit
~
~
A50215
Unit No. 15 Restart Bit
A50300
Unit No. 16 Restart Bit
~
~
A50715
Unit No. 95 Restart Bit
W902-E2-03.book Seite 93 Donnerstag, 7. Oktober 2004 2:06 14
Содержание CS1W-CT021
Страница 1: ...OPERATION MANUAL High speed Counter Units CS1W CT021 CS1W CT041 Cat No W902 E2 03...
Страница 3: ...W902 E2 03 book Seite iv Donnerstag 7 Oktober 2004 2 06 14...
Страница 5: ...W902 E2 03 book Seite vi Donnerstag 7 Oktober 2004 2 06 14...
Страница 39: ...W902 E2 03 book Seite 24 Donnerstag 7 Oktober 2004 2 06 14...
Страница 59: ...A 2 Section 2 3 W902 E2 03 book Seite 44 Donnerstag 7 Oktober 2004 2 06 14...
Страница 155: ...4 Section 4 6 W902 E2 03 book Seite 140 Donnerstag 7 Oktober 2004 2 06 14...
Страница 199: ...G W902 E2 03 book Seite 184 Donnerstag 7 Oktober 2004 2 06 14...