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Brief description of ASM hardware
A.6 ASM 854
Input parameters for ASM 854
The assignment is made in UDT 10 (see Section "Parameter data block").
Table A-16
Input parameters for ASM 854
Address
Name
+0.0
ASM_address
+2.0
ASM_channel
+8.0
MDS_control
+9.0
ECC_mode
+9.1
RESET_long
+10.0
MOBY_mode
+11.0
scanning_time
+12.0
option_1
+13.0
distance_limiting
+14.0
multitag
+15.0
field_ON_control
+16.0
field_ON_time
Table of commands for ASM 854
The assignment is made in UDT 20 using the "Command" variable (see Section "Command
parameter settings").
Table A-17
The command table is valid for the FB 45. No commands are transferred to the ASM when
fixed-code MDSs are processed with the process image.
Special features of the fixed-code MDS (MOBY_mode = A)
When in this mode, the ASM
not need to start a command.
The user issues the read command using UDT 20. repeat_command and command_start
must then be issued simultaneously to start the command and fetch the data.
Switch settings, interfaces and indicators of the ASM 854
See Section "Switch settings, interfaces and indicators of the ASM 454" in Chapter "ASM
454"
A-24
Permissible values
256, 264, 272, 280,
...
1, 2, 3, 4
B#16#0, 1
FALSE
FALSE
B#16#A, B
B#16#00
B#16#00, 01, 04, 08
B#16#0
B#16#1
B#16#0
B#16#0
Commands of the ASM 854 when MOBY_mode = B
Command code
normal
Chained
01
41
02
42
03
43
0A
4A
Each ASM 854 occupies 8 byte of I/O in
the I/O area of the control unit
4 parallel channels
0 = no presence check
1 = presence check (must always be set
when using MOBY_mode = A (MDS F1xx))
No ECC driver
(no MOBY U)
Only MOBY F parameterization
No parameterization of the scanning time
(See Section "INPUT parameters")
Not relevant (no MOBY U)
Write to MDS
Read MDS
Initialize MDS
Antenna on/off
automatically
reads each new MDS as it arrives. The user does
Function manual, Release 03/2006 , J31069-D0167-U001-A2-7618
Comment
Description
FC 45
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