1 1--------------------------------- assign to 4
th
button
5) Data 1: Define the automatically display swapping time interval .
Bit 0 : reserved
Bit 1 : reserved
Bit 2 : reserved
Bit 3 : reserved
Bit 4 : reserved
Bit 5 : reserved
Bit 6 : Swapping time interval
Bit 7 : Swapping time interval
Bit assignment:
0 0 -------------------------------------- Time interval 1(0.5 sec)
0 1 -------------------------------------- Time interval 2(1 sec)
1 0 -------------------------------------- Time interval 3(2 sec)
1 1 -------------------------------------- Time interval 4(4 sec)
6) Data 2 ~ Data 6: We reserve maximum 5 digits could be displayed on AT503-4K’s LED
display.
7) Data 7 (Dot) : Decimal dot position.
5
th
4
th
3
rd
2
nd
1
st
dot
Bit assignment:
0 0 0 0 1------------------ 1
st
dot is on
0 0 0 1 0------------------ 2
nd
dot is on
0 0 1 0 0------------------ 3
rd
dot is on
0 1 0 0 0------------------ 4
th
dot is on
1 0 0 0 0------------------ 5
th
dot is on
4.5.7 Protocol for AT520
AT520 is a digit input & relay output device base on ABLEPick communication protocol. It
has 4 inputs (DI) and 4 outputs (DO) and one RS232 serial port. Users can remote
controlling device or monitoring status.
4.5.7.1 Product ID of I/O Devices
I/O TYPE: 0x30 DI
0x31 DO
0x34 DI_AUTO response mode
4.5.7.2 Reading I/O Status:
※
Application Program(AP) sends reading command to TCP/IP controller
: