Omron CPM2A - 11-2005 User Manual

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1-5SectionComparison with the CPM1A
25
Caution Before using a CPM1A program containing one or more of the instructions in the
table above, check the program to be sure that it will operate properly and edit
the program if necessary. The CPM2A may not operate properly if a CPM1A pro-
gram with these instructions is transferred and executed unchanged.
The following three instructions are allocated function codes that were not used
in the CPM1A.
Instruction CPM2A CPM1A
RXD(47) RECEIVE
Not allocated. (NOP(00))
TXD(48) TRANSMIT
(())
SCL(66) SCALING
Differences in I/O Memory
The following table shows differences in the SR area. (PV is the abbreviation for
present value.)
Function CPM2A CPM1A
Pulse output 0 PV SR 228 to SR 229
Not
d
Pulse output 1 PV SR 230 to SR 231
supported.
Pulse output 0 PV Reset Bit SR 25204
Pulse output 1 PV Reset Bit SR 25205
RS-232C Port Reset Bit SR 25209
Battery Error Flag SR 25308
Changing RS-232C Port Setup Flag SR 25312
The following table shows differences in the AR area.
Function CPM2A CPM1A
Clock/calendar data AR 17 to AR 21
Not
d
RS-232C Communications Error Code AR 0800 to AR 0803
supported.
RS-232C Error Flag AR 0804
RS-232C Transmission Enabled Flag AR 0805
RS-232C Reception Completed Flag AR 0806
RS-232C Reception Overflow Flag AR 0807
Peripheral Port Reception Completed Flag AR 0814
Peripheral Port Reception Overflow Flag AR 0815
RS-232C Reception Counter AR 09
High-speed Counter Comparison Flag AR 1108
High-speed Counter Overflow/Underflow Flag AR 1109
Pulse Output 0 Condition AR 1111
Pulse Output 0 PV Overflow/Underflow Flag AR 1112
Pulse Output 0 Pulse Quantity Set Flag AR 1113
Pulse Output 0 Output Completed Flag AR 1114
Pulse Output 1 PV Overflow/Underflow Flag AR 1212
Pulse Output 1 Pulse Quantity Set Flag AR 1213
Pulse Output 1 Output Completed Flag AR 1214
Pulse Output 1 Output Status AR 1215
Power OFF Counter AR 23 (See note.) AR 10
Note CPM1A programs that use AR 10 (the Power OFF Counter) cannot be used in
the CPM2A without editing the program. In the CPM2A, the Power OFF Counter
is in AR 23.
Added Function Code
Allocations
SR Area Differences
AR Area Differences

Omron CPM2A - 11-2005 Specifications

General

Brand	Omron
Model	CPM2A - 11-2005
Category	Controller
Language	English