App - 54
APPENDIX
Appendix4.3 Parameter setting
The parameters set in the existing CPU module can be utilized without any modification
if none of them meets the following conditions.
The processing of the following items is different from the parameter setting of the
existing CPU module.
Setting items Description
Microcomputer program
capacity
The microcomputer program area of the A2USHCPU-S1, A2USCPU(S1) and
A2ASCPU(S1/S30) is dedicated for the SFC.
The "PARAMETER ERROR" occurs if a utility package for the microcomputer
program is stored in the microcomputer program area of the existing CPU module.
Registering the model name
of the module by the I/O
assignment
By the system FD compatible
with the A2USHCPU-S1,
A2USCPU(S1) and
A2ASCPU(S1/S30).
When the AD57 module or AD57-S1 module is used in the existing system, the utility
package of the SW-AD57P is stored in the microcomputer program area.
The utility package mentioned above cannot be stored in the A2USHCPU-S1,
A2USCPU(S1) and A2ASCPU(S1/S30) as it does not have a microcomputer
program area.
To realize functions of this utility package, dedicated instructions for the special
function modules are provided for the A2USHCPU-S1, A2USCPU(S1) and
A2ASCPU(S1/S30).
To use the dedicated instructions of the A2USHCPU-S1, A2USCPU(S1) and
A2ASCPU(S1/S30), model names of the modules must be registered by the I/O
assignment of the parameters in advance.
Conclusion: When the AD57 or AD57-S1 exists, be sure to register the model
name of the module by the system FD which is compatible with the
A2USHCPU-S1, A2USCPU(S1) and A2ASCPU(S1/S30).
• Watchdog timer setting ........... The set time is ignored, and 200ms is applied.
• Interrupt counter setting .......... The interrupt counter set by the A1SHCPU and
A2SHCPU are ignored and treated as a normal
counter by the sequence program.
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