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4.Quick reference manual
4.1 Special memory area:
SMB0
Always_On
SM0.0
Always ON
First_Scan_On
SM0.1
ON for the first scan cycle only
SMB1
Result_0
SM1.0
Set to 1 by the execution of certain instructions when
the operation result = 0
Overflow_Illegal
SM1.1
Set to 1 by exec. of certain instructions on overflow
or illegal numeric value.
Neg_Result
SM1.2
Set to 1 when a math operation produces a negative
result
Divide_By_0
SM1.3
Set to 1 when an attempt is made to divide by zero
Table_Overflow
SM1.4
Set to 1 when the Add to Table instruction attempts
to overfill the table
Table_Empty
SM1.5
Set to 1 when a LIFO or FIFO instruction attempts to
read from an empty table
Not_BCD
SM1.6
Set to 1 when an attempt is made to convert a non-BCD
value to a binary value
Not_Hex
SM1.7
Set to 1 when an ASCII value cannot be converted to
a valid hexadecimal value
4.2Interrupt Events:
I1.2 Rising edge
PLC_EVENT_INPUTP0
0
Highest priority
I1.4 Rising edge
PLC_EVENT_INPUTP1
1
High priority
Timer interrupt 0
PLC_EVENT_TIMER0
10
Low priority
Timer interrupt 1
PLC_EVENT_TIMER1
11
Lowest priority
4.3 High speed counter
:
PR-24DC-DA-R/PR-24DC-DAI-RTA
I1.0
HC0
I1.1
HC1
I1.2
HC2
I1.3
HC3
Each high speed counter occupies an input point for receiving the pulse.No
reset, adjust the direction, start and other functions.The high speed
counter can only be used for recording number in the PLC.The number of
Содержание PR-12 Series
Страница 26: ...19 1 xLogic CPU PR 12 Series CPU PR 14 and PR 18 series 1 PR 18 CPU 2 PR E extension...
Страница 27: ...20 PR 24 series...
Страница 47: ...40 5 3 Instruction tree...
Страница 50: ...43 CAN interface PLC supports CAN communication CAN communication will be introduced in the communication block...
Страница 54: ...47 Force table interface When PLC is converted from RUN mode to STOP mode the selected output points will be 1...
Страница 58: ...51 5 3 10 Instructions Instructions will be explained in detail in the instructions section...
Страница 73: ...66 2 Select the PLC model ensure that the PLC model in the software is consistent with the actual PLC model...
Страница 93: ...86 2 Enter the illegal real number Example...
Страница 127: ...120 Example...
Страница 137: ...130 Kc gain TD Differential time Ts Sampling time PVn 1 Last time process variable PVn Process variable...
Страница 139: ...132 Special memory bit SM1 0 Zero result SM1 1 overflow SM1 2 Negative result Example...
Страница 143: ...136 Special memory bit SM1 0 Zero result SM1 1 overflow SM1 2 Negative result SM1 3 The divisor is 0 Example...
Страница 149: ...142 Example...
Страница 152: ...145 Example ATCH instruction only needs to be connected once...
Страница 154: ...147 Example...
Страница 172: ...165 Example Notes Cycle times are set to 100 times At the end of the cycle the value of VW100 is 100...
Страница 175: ...168...
Страница 182: ...175 Example When the value of M0 0 is 1 VB0 moves a bit towards the left and VB10 moves a bit towards the right...
Страница 217: ...210 Example Four arithmetic operation Main program...
Страница 218: ...211 Subroutine...
Страница 252: ...245 10 8 Example of serial port free port communication Program 1...
Страница 254: ...247 10 9 Example of CAN free port...
Страница 256: ...249 10 10 MODBUS communication master program Read multiple hold registers and write multiple hold registers...
Страница 258: ...251 Conversion of Process quantity and set value unit...
Страница 259: ...252 Call a PID command every 0 3 seconds...
Страница 260: ...253 The conversion of output value unit...