3-19
3.
IDEC operand monitor starts. If you have set the user name and password in the Web Server Unit in advance,
you are prompted to enter them.
4.
You can now perform operand monitoring and writing. Select the operand type and enter the address. Addresses
are 4 digits. Five consecutive addresses can be written or monitored at the top part. Enter the values in the input
field and press the [Write] button to write the values.
Operand types
I/X
Input (word)
i/x
Input (bit)
Q/Y
Output (word)
q/y
Output (bit)
M
Internal relay (word)
m
Internal relay (bit)
R
Shift register (word)
r
Shift register (bit)
T
Timer (set value)
t
Timer (count value)
C
Counter (set value)
c
Counter (count value)
D
Data register
Display formats
DEC(W)
Decimal (unsigned)
DEC(I)
Decimal (signed)
DEC(D)
Decimal (unsigned), 2 words
DEC(L)
Decimal (signed), 2 words
HEX(W)
Hexadecimal
HEX(D)
Hexadecimal, 2 words
BIT
Bit
• The PLC operand monitor screen is stored in the Web Server Unit, but executed by the
PC.
• The Java applet performs communication between the PC it runs on and the Web
Server Unit.
• The Web Server Unit relays commands received on Ethernet (TCP/IP) to the PLC, and
returns the PLC's reply on Ethernet (TCP/IP).
NOTE
3_3_8_Operand_Monitor_E
Operand Monitor Java Applet
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]