6AW5451-6XX01-1K
ES 030-K Manual
3 - 18
Subject to change without prior notice
RD: 08.2000
(4)J31069-D0136-U001-A0-7618
3.4.4
MOBY
After a system start or an OB 20 (simulation OB system start), as well as after a voltage return or OB 22 (simulation OB power failure),
the MOBY card may not be addressed until the identifier is entered in DB 1, DW 67 (approx. 1.5 sec.).
3.4.4.1 MOBY-M
Connection 1
The tasks for MOBY are to be defined in a command list
compiled by the user. Each task can consist of a command or a
command chain. On a command chain, the commands will
continue to be processed as long as the identifier
“
further com
mand follows" is set. The flag byte 16/17 initiates the com
mands.
Setting the Parameters in DB 1
Address of the list
of commands
Error (general)
Supplied by
DB 1
DW 53
User
DB 1
DL 54
System
Error in MOBY
module
DB 1
DR 54
System
Parameter
Address
Structure of a Task
Command (1)
Byte count (1)
DAT address (1)
DB (1)
DW (1)
Command (2)
Byte count (2)
DAT address (2)
DB (2)
DW (2)
Byte count
1 to 250; number of bytes that are to be
transferred with this command.
DAT address
0 to 2044; address of the beginning of
the data on the DAT.
DB, DW
Address at which the data begins on
the ES 030-K.
Structure of a Command
Bit 7 6 5 4 3 2 1 0
read command
write command
initialise command
DAT type if not set by jumpers
further command follows;
chaining of several commands for one DAT processing. This bit must be 0
on the last command.
DAT type: 1 = fixed code, 8 bits
2 = fixed code, 16 bits
4 = 64 bytes
5 = 2 Kbytes
FY 16/17 Assignment
Bit 7 6 5 4 3 2 1 0
Task initiation
Acknowledge
Error
RESET initiation
Initiation:
Set by the user. The system will reset the flag and set the acknowledge flag.
Acknowledge: Set by the system after task has been performed. Reset by the user and by the system upon new
initiation.
Error:
Set by the system. Exact description of errors is in DB 1 DW 54/56 (see also chapter 3.2.1).
When an error occurs, the acknowledgement bit is set at the same time.
RESET:
Set by the user. Reset by the system after execution. A command being executed will be cancelled by
the error message
“
RESET executed" in DW 54/56.
Connection 2
The structure of the MOBY-M connection 2 is analogous to the structure of connection 1. DW 53 and 54 are simply replaced by
DW 55 and 56, and FY 16 is replaced by FY 17.
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