Inserting Coil -Type Variables Into A Message - ICP DAS USA iKAN Series User Manual

4.2.4. Inserting Coil –type Variables into a Message
iKAN display devices provide Modbus registers for 40 coil variables, allowing the Host PC or a PLC
to read or write data via the Modbus TCP/ RTU protocol. These values can also be inserted into a
message. If these inserted values are modified via a remote Host or a PLC, the value will be
automatically refreshed when it is displayed on the iKAN series device.
The format for using a variable in a message is a 5-byte string as follows:
1
Delimiter Character Variable Type
%
A maximum of 40 Coil type variables can be stored on the iKAN series device, and are accessed
using Modbus register addresses 00000 to 00039.
Modbus Address
Decimal Hex.
00000 0000
: :
00039 0027
00100 0064
: :
00227 00E3
2
b: Coil
Length
40 Coil-type variables
Enables or disables the display of
128
common messages 0 ~ 127.
Modbus Address: 3-digit decimal number
X
Description
3 to 5
X X
Value
Attribute
Range
- R/W
0: Disabled
R/W
1: Enabled