LG MASTER-K10S1 User Manual page 8

Programmable logic controller
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Relay
Name
F110
Arithmetic error flag
F111
Zero flag
F112
Carry flag
F11A
On sending flag
F11C
On receiving flag
Receive completion
F11E
flag
Communication error
F11F
flag
F120
<
F121
F122
=
F123
>
F124
F125
F130
AC power fail
~ F135
F140
Elapsed value of
High speed counter
~ F14F
F150
Preset value of High
speed counter
~ F15F
Description
Set when an arithmetic error occurred during operation
Set when the result value is zero
Set when carry / borrow occurs as a result of operation
These flags indicate the communication status when
DIN / DOUT instructions are used.
• DIN, DOUT: Set when time-out error occurred.
• SEND, RECV : Set when time-out error occurs or
NAK massage is detected.
These relays are set according to the result of
compare instructions. (CMP, CMPP, DCMP, DCMPP)
The numbers of AC power fail occurred during RUN
mode
• HSCNT : The elapsed value of high speed counter is
stored.
• HSC : The low word of elapsed value of high speed
counter is stored.
• HSCNT : The preset value of high speed counter is
stored.
• HSC : The high word of elapsed value of high speed
counter is stored.
MASTER-K10S1
8

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