Delta C2000 Series User Manual

Chapter 16 PLC Function ApplicationsC2000
16-163
16-13 Calendar functions
The C2000's internal PLC includes calendar functions, but these may only be used when a keypad
(KPC-CC01) is connected, otherwise the function cannot be used. Currently-supported commands
include TCMP (comparison of calendar data), TZCP (calendar data range comparison), TADD (calendar
data addition), TSUB (calendar data subtraction), and TRD (calendar reading). Please refer to the
explanation of relevant commands and functions for the usage of these commands.
In real applications, the internal PLC can judge whether calendar function have been activated; if
they have been activated, calendar warning codes may be displayed in some situations. The basis for
whether a calendar function has been activated is whether the program has written the calendar time
(D1063 to D1069) in connection with the foregoing calendar commands or programs.
The calendar's time display is currently assigned to D1063 to D1069, and is defined as follows:
Special
D
Item Content
A
ttributes
D1063
Year
(Western)
20xx (2000–2099) RO
D1064 Weeks 1–7 RO
D1065 Month 1–12 RO
D1066 Day 1–31 RO
D1067 Hour 0–23 RO
D1068 Minute 0–59 RO
D1069 Second 0–59 RO
Calendar-related special M items are defined as follows:
Special
D
Item
A
ttributes
M1068 Calendar time error RO
M1076
Calendar time error or refresh time
out
RO
M1036 Ignore calendar warning RW
*When a program writes to the commands TCMP, TZCP, TADD, or TSUB, if it is discovered that a
value exceeds the reasonable range, M1026 will be 1.
*When the keypad display is PLra (RTC correction warning) or PLrt (RTC time out warning), M1076
will be ON.
*When M1036 is 1, the PLC will ignore the calendar warning.
Calendar trigger warning code is defined as follows:
Warning Description
Reset
approach
Whether it affects PLC
operation
PLra Calendar time correction
Requires
power restart
Will not have any effect
PLrt Calendar time refresh time out
Requires
power restart
Will not have any effect
*When the PLC's calendar functions are operating, if the keypad is replaced with another keypad, it
will jump to PLra.
*When it is discovered at startup that the keypad has not been powered for more than 7 days, or the
time is wrong, PLra will be triggered.
*When it is discovered that the C2000 has no keypad in 10 sec. after startup, PLrt will be triggered.

Delta C2000 Series Specifications

General

Brand	Delta
Model	C2000 Series
Category	DC Drives
Language	English