Sigma C4 manual WP 6 5 5CRLF

where p = proportional term constant (integer) i = integral term constant (integer)

d = differential term constant (integer)

Example:

WP 6 5 5<CR><LF>

There is no response to this command from the controller except to set the appropriate bit in the Error Byte in the event that the command or parameters are incorrect.

7.6.3 BF & BO Blower Off & Blower On Commands

The BF and BO commands affect the state of setup parameter F15, (Blower Shut- off Mode). See Section 8.5 for a detailed explanation.

Because the Blower Shut-off Mode only affects the behavior of the blowers when the controller is in idle state (not controlling) after running a program, the BF and BO commands only affect that state. However, the C4 monitors the state of Blower Shut-off Mode while idling, so that using BO or BF at that time can change the state of the blowers during controller idle time.

The BF command will turn the blowers off in idle mode. This command sets setup parameter F15 to 1.

The BO command will turn the blowers on in idle mode. This command sets setup parameter F15 to 0.

The syntax of the command is:

BF<CR><LF> Turn blowers off (enables Blower Shut-off Mode)

BO<CR><LF> Turn blowers on (disables Blower Shut-off Mode)

70 C4 Manual Rev 7.5.2