Internet PLC Forum

The password protection feature is no longer supported on the WinTRiLOGI 3.5 because WinTRiLOGI does not allow uploading of code from the PLC in any case.

In order to utilize the transfer password protection feature you will have to run the DOS TRiLOGI verison 3.3. The DOS TRiLOGI is available on your WinTRiLOGI CD-ROM and you can install it in your PC if your PC supports pure DOS mode. Note that DOS TRiLOGI cannot be used under Windows 2000, NT or XP.

The DMC16230 is not supplied by us. However, it should work with our LCD port without any issue if the wiring is done correctly. Please make sure that you did not mistakenly swap pin 1 with pin 2, pin 3 with pin 4 and so on (a common mistake). ?

Pin 1 : 0V
Pin 2 : +5V
pin 3 : constrast signal (via variable resistor to 0V)
pin 4 : control signal (TTL)
pin 5 : 0V
pin 6 : control signal (TTL)
pin 7 to 14: data bus (TTL)

Note that wrong connection of signal may damage the LCD or the driver IC on the PLC. If you have one of our LCD216 or LCD420 you can use it to verify if the PLC's LCD driver is still working properly. ?Using our supplied LCD216 and LCD420 is much easier since we supply the proper cable and such issue would not arise. ?However, if you need to connect your own LCD display bought from the open market then you do have to take the time to figure out the proper wiring. Good luck! ?

This would be really easy on a M-series PLC. Unfortunately, the H-series ladder language does not support a counter compare function. However, if the counts are less than 32 then you could use the sequencer step to trigger action when two sequencers reaches the same step (i.e. same count). For larger count there is no available command.

LDHEX is only available on E10, not on the H-series.

In our SetTimeCtr_SV example we use one key ("select" input) to select up to 6 parameters (3 timers and 3 counters) - you can do the same here. Just one set of up/down keys and 1 select button.

If you have the HMI, it seems to make more sense to me to use the keypad to enter your values instead of up/down key. In this case, just use a function key (say F1) as the select key to select different parameters (show the chosen parameter on the LCD), then use the numeric keypad to enter the data.

You will have to define your menu structure in software. There isn't a command for scrolling the text since there isn't buffer to store text that are "off the screen". If you want to display more than 4 lines, then implement a "page up" and "page down" using the function key. Use a variable to keep track of the page number and then display the corresponding text to the page.

Note that since the string A$ to Z$ an also be represented by an array $$[1] to $$[26] you may be able to store some text in the string variable and selective display them using the index n to the array $$[n].

The T100MD+ PLC is very flexible in what it can send or receive from its serial port and therefore the choice for connecting via a modem.  Although we have no experience with the particular brand of GSM modem you mentioned, there are customers who had successfully used the GSM modem with the PLCs.

We haven't been able to find such LCDs that support standard 14 pin LCD pin out. We would like to hear whether other users have some experience to share.

A T100M PLC only has 2 stepper controllers and it is not designed for direct interfacing to Servo motor and encoder. However, there are some servo driver on the market which act like a stepper motor and have the loop closed at the driver. These type of servo motor will accept pulse and direction inputs from the PLCs. Such servo motor can be used since to the T100MD they are just like stepper motor even though these servo drive are really closed loop system.