Answer question

Regarding the message clear

Dear sir,

i am using abb pm573 plc, the network configuration is modbus tcp/ip.and i am using renu make hmi..

i am transfering some custome message from plc to hmi, i configured tag as a string in the plc, when i enter the message in that tag same message is displaying in the hmi, i written a logic to clear that message ofter certin time by using move instruction, after clearing the message, i enter the message (the charactor length is less than the first message), the message displaying in the him with latest meassage and previous message, when i check the logic same message is displaying at the output tag, how to clear the complete messgae,.... is there any instruction to clear the complete message....

for ex:

first message: machine is running

second message: stop

after entering the second message the message displaying in the logic is

"stopine is running".

plese give me solution....