Mitsubishi Electric CR800 Series Ethernet Function Instruction Manual page 76

3 Description of functions
 Number of devices
Specify the number of devices for reading/writing data.
• When performing data communication in ASCII code
Use the number of devices by converting them to 4 ASCII code digits (hexadecimal), and send them in the order
from higher-order byte to lower-order byte. Use codes in upper case characters when specifying letters of the
alphabet.
Example
Number of devices: 5 / 20
5 devices
• When performing data communication in binary code
Use a 2-byte numerical value to indicate the number of processing devices, and send in the order from lower-order
byte to higher-order byte.
Example
Number of devices: 5 / 20
5 devices
3-50
20 devices
20 devices