Nidec Embraco CF01F - Serial Control Mode; Communication Protocol

4.2. Serial control mode
This option is used when the electronic thermostat controls the CF01F or CF02F using a
serial communication protocol. The serial communication protocol is based on RS-232
parameters, but the interface's electrical specifications are different from this standard.
4.2.1. Basic specification
Communication type
Asynchronous (start-stop)
Baud Rate
600 baud
Start Bits
1
Data Bits
8
Stop Bits
1
Parity
None
Flow Control
None
Unit Size
5 Bytes
Table 16 – Serial Communication - Basic Specifications
Figure 21 – Example: 39h sent to Inverter
4.2.2. Communication Protocol
Protocol
Operation
Half-duplex
Unit Board
Master
Inverter Board
Slave
Table 17 – Serial Communication – Protocol
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