Watlow 97 series - Page 69

Packet sent to controller: | nn | 10 | nnnn | 00 01 | 02 | nn nn | nnnn |
∆∆∆∆∆∆∆∆∆∆∆
controller address (one byte)
write to multiple registers command (0x10)
starting register high byte
starting register low byte
number of registers to write high byte (0x00)
number of registers to write low byte (must be 0x01)
number of data bytes (must be 0x02)
data high byte
data low byte
CRC low byte
CRC high byte
Packet returned by controller: | nn | 10 | nn nn | 00 01 | nn nn |
∆∆∆∆∆∆∆∆
controller address (one byte)
write to multiple registers command (0x10)
starting register high byte
starting register low byte
number of registers to write high byte (0x00)
number of registers to write low byte (must be 0x01)
CRC low byte
CRC high byte
Loop Back Command (0x08)
This command simply echoes the message. This serves as a quick way to check
your wiring.
Packet sent to controller: | nn | 08 | nn nn | nn nn |
∆ ∆ ∆∆ ∆∆
controller address (one byte)
loop back command (0x08)
data high byte
data low byte
CRC low byte
CRC high byte
Watlow Series 97 Appendix ■ A.7