WebControl
TM
PLC User Guide Version 3.02.17f
Copyright(c) 2008,-2013 CAI Networks, Inc. 15
3.6 General Setup
When WebControl
TM
is connected to the network it will obtain NTP time from Internet.
User need to set correct time zone on WebControl
TM
PLC.
Figure 8.0 Network defaults
If the WebControl cannot reach to pool.ntp.org over Internet, it will use its own built-in
clock with less accuracy. If a DS2417 real time clock chip connected to 1-wire bus,
WebControl will query it for the time. User may change and update the clock from
this screen by typing MM/DD/YY HH:MM:SS format in the Set Date Time input field,
then click “Send” button. If a DS2417 chip is discovered on 1-wire bus, the real time
clock will be set to this time. When synced with NTP server, real time clock chip
DS2417 is also set every 10 minutes.
UROM1…UROM4 are four identifiers can be used in PLC program. They can help
user to fine tune their PLC program for different setup. These four values are stored
in the EEPROM, so that when power lost, its value will be kept by the EEPROM.
When power restored, UROM value will remain whatever they set before. There are
two ways to set UROM value. One is to set it on this web GUI page by save modified
