Rockwell Automation 2706-F11J_F11JC_F21J_F21JC DL50 INSTALLATION MANUAL - Manual (Page 68)

Chapter 6
Slave Mode Operation / Examples
6–4
Example 3 (Relay On)
Command Function: Energize annunciation relay on DL50 with an
address of 150.
The host would need to send the following data (Simplex Protocol):
150
Decimal
48
Decimal
CR
(Decimal 13)
Field 4
Slave Address Field 5
Line Number Field 6
Carriage Return
1 byte 1 byte 1 byte
Address Relay On End Message
A simple BASIC program for a host PC to send the message would be:
100: Print #1, CHR$(150) + CHR$(48) + CHR$(13)
Example 4 (Relay Off)
Command Function: De-energize annunciation relay on DL50 with an
address of 150.
The host would need to send the following data (Simplex Protocol):
150
Decimal
49
Decimal
CR
(Decimal 13)
Field 4
Slave Address Field 5
Line Number Field 6
Carriage Return
1 byte 1 byte 1 byte
Address Relay Off End Message
A simple BASIC program for a host PC to send the message would be:
100: Print #1, CHR$(150) + CHR$(49) + CHR$(13)