Yaskawa APOGEE FLN P1 - Manual (Page 35)

u Metasys N2 Mailbox Function
n Reading Drive Parameters
Two points are defined for reading drive parameters:
• AO 30 - Specifies the parameter to be read from the drive.
• AI 38 - Reports the value of the parameter specified in AO 30.
The mailbox retrieves data from the parameter and sends it to the controller when this point
is read.
Example: Writing a value of 387 (183 hex) to AO 30 specifies drive parameter b1-04. Reading
AI 38 returns the current setting of parameter b1-04 to the controller.
n Writing Drive Parameters
Two points are defined for writing drive parameters:
• AO 31 - Specifies the parameter to be written to.
• AO 32 - Entry location of the value to be written to the parameter specified in AO 31. The
mailbox will write the value to the drive when this point is written. An ENTER or ACCEPT
command does not need to be sent for the data to be taken by the drive. The behavior of
the write is the same as with the digital operator. There are a limited number of drive
parameters that can be written to when the drive is running.
Example: Writing a value of 387 (183 hex) to AO 31 specifies drive parameter b1-04. Writing
a value of 1 to AO 32 sets b1-04 to 1 and enables the drive for reverse run.
9 Metasys N2 Communications
YASKAWA TOEP YAICOM 13 Metasys N2 & Apogee FLN P1 SI-J3 Installation & Technical Manual 35