Alpha Omega Instruments 800 Series - Page 110

Write to a Single Register Command (0x06)
This command writes a parameter to a single register. The controller will echo back the
command. An attempt to write to a read-only parameter returns an illegal data address
error (0x02).
Packet sent to controller:
nnnnnn nnnnnn06nn
controller address (one byte)
write to a register command (0x06)
register high byte
register low byte
data high byte
data low byte
CRC low byte
CRC high byte
Example: Set register 300 (set point 1) to 200 (0x00C8) on controller at address
9.
Sent: 09 06 01 2C 00 C8 49 21
Received: 09 06 01 2C 00 C8 49 21
ALPHA OMEGA INSTRUMENTS CORP. Instruction Manual
Series 800/850 Thermoelectric Cooler Controller Page 105