GE Industrial Solutions 6KCV300lNS - Manual (Page 25)

S
8.0 PROCEDURES FOR THE BEGINNING AND THE END OF THE PCP
CONNECTION
At the beginning it is suggested to supply power first to the drive and then the Master;
when the Master has terminated successfully the identification cycle, proceed as follows:
Establish the connection by activating the Peripherals Communication Protocol by successfully
carrying out Initiate service.
If the Bus control has not been stored in the drive, activate such control by acting as required by
the drive (see relative manual).
Configure the Process Data Channel by setting the relative parameters (see chapter 6).
Enable the Process Data Channel outcoming from the Master (PDC Output) by setting the
parameter
Output
To switch off the system or stop the connection proceed as follows:
Stop the motor and disable the control by acting as required by the drive (see the relative
manual).
Disable the PDC data outcoming from the drive by clearing the parameter
Output
Enable,).
Stop the Peripherals Communication Protocol by successfully carrying out the Abort service; if
the previous two points have not been carried out, the case
Status number 3”
occurs.
From now on potential alarms of Interbus-S are no longer indicated by the interface card to the drive:
To avoid generating the alarm at power off, proceed as described above.
If the Master is switched off without carrying out the ABORT Service, to activate the bus again proceed as
follows:
Carry out the Warm-Start command of the Master
Carry out the Initiate-Request Service (code 0088 hex)
The Slave responds with an Abort-Indication (code 81AD hex)
with Abort-ID = 02 and Reason-Code = 02.
Carry out again a Warm-Start command of the Master
Carry out again the Initiate-Request Service (code 008B hex).
In this case the Slave responds an Initiate-Response (code hex).
This procedure is necessary to allow the correct synchronization of the Layer 2 of the Master and of the
Slave.
9.0 HANDLING OF THE DRIVE ALARMS
Every time the drive status changes, the card it immediately to the Master through
the Information-Report service. This service sends the of the Slave the
alarm, the index of the drrve parameter which contains the of the alarm and the value of such
parameter, whose length is 2 byte, containing the alarm code. In order to identify the alarm code see the
drive manual.