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3 error detection devices, Error detection devices -6 – Delta DVP-ES2 User Manual

Page 656

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D V P - E S 2 / E X 2 / S S 2 / S A2 / S X 2 / S E O p e r a t i o n M a n u a l - P r o g r a m m i n g

6-6

Error code

Description

Action

C40B

MC / MCR does not begin from N0 or discontinuously

C40C

MC / MCR corresponding value N is different

C40D

Use I / P incorrectly

C40E

IRET doesn’t follow by the last FEND instruction

SRET doesn’t follow by the last FEND instruction

C40F

PLC program and data in parameters have not been
initialized

C41B

Invalid RUN/STOP instruction to extension module

C41C

The number of input/output points of I/O extension unit is
larger than the specified limit

C41D

Number of extension modules exceeds the range

C41F

Failing to write data into memory

C430

Initializing parallel interface error

C440

Hardware error in high-speed counter

C441

Hardware error in high-speed comparator

C442

Hardware error in MCU pulse output

C443

No response from extension unit

C4EE

No END command in the program

C4FF

Invalid instruction (no such instruction existing)

A circuit error occurs

if a combination of

instructions is

incorrectly specified.


Select programming
mode and correct the
identified error

6.3 Error Detection Devices

Error Check

Devices

Description

Drop Latch

STOP

Æ RUN

RUN

Æ STOP

M1067

Program execution error flag

None

Reset

Latch

M1068

Execution error latch flag

None

Latch

Latch

D1067

Algorithm error code

None

Reset

Latch

D1068

Step value of algorithm errors

None

Latch

Latch

Device D1067

Error Code

Description

0E18 BCD

conversion

error

0E19

Division error (divisor=0)

0E1A

Floating point exceeds the usage range

0E1B

The value of square root is negative

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