Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual User Manual
Page 223

Publication 1760-UM002B-EN-P - March 2005
Wiring with Pico GFX-70 4-113
Contacts
HY01Q1 to HY32Q1
Memory Requirement for the Year Time Switch
The year time switch function block requires 68 bytes of memory plus 4 bytes
per channel used.
Function of the Year Time Switch Function Block
The year time switch can operate with ranges, individual days, months, years or
combinations.
Years
ON: 2002 to OFF: 2010 means:
Switch on at 00:00 on 01.01.2002 and switch off at 00:00 01.01.2010.
Months
ON: 04 to OFF: 10 means:
Switch on at 00:00 on April 1st and switch off at 00:00 on October 1st.
Days
ON: 02 to OFF: 25 means:
Switch on at 00:00 on the 2nd and switch off at 00:00 on the 25th
Rules for the year time switch
The contact switches in the defined years (ON to OFF), the defined months
(ON to OFF) and in the days entered (ON to OFF).
Time ranges must be input with two channels, one for ON and one for OFF.
Overlapping channels:
The first ON date switches on and the first OFF date switches off.
IMPORTANT
Avoid incomplete entries. It hinders transparency and leads
to unwanted functions.