System programming, Advanced screen operations, Communications statistics – Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive - Air-Cooled (A Frame) User Manual
Page 144
3-70 Operator
Interface
7000A-RM001A-EN-P – January 2011
7000 “A” Frame
System Programming
The firmware for the complete drive system may be updated via 
serial port #2 on the Customer Interface Board. Pressing the [F9] 
key from the transfer screen will place the drive system into 
download mode. 
Advanced Screen Operations
A number of advanced functions have been incorporated into the 
operator interface. These operations are not required to operate the 
drive. They are meant as service tools for trained technicians and 
have been included here only for completeness. 
All operations are accessed via a two key sequence.
Communications
Statistics
The screen, depicted in Figure 3.98 shows statistics involving the 
serial communications between the operator interface and the drive 
as well as the contents of the transmit and receive buffers. It is 
called from any screen (except the PRINTER screen), by pressing 
the [F10] key and the [cursor down] key at the same time. 
Figure 3.98 – Communications Statistics & Buffer
The ERRORS show the number of occurrences of a particular error 
since the last time the counters were reset. 
–
Parity: number of parity errors in characters received.
–
Framing: number of framing errors in the characters received.
–
Overrun: number of characters received that were not read prior 
to accepting the next character. 
–
Resends: number of times the operator interface had to resend 
data due to a NACK being sent by the drive. 
–
Timeouts: number of times the operator interface did not receive 
data from the drive within a specified time period. 
–
Chksum: number of times the operator interface detected a 
checksum error in the data it received from the drive. 
–
Discard: number of characters discarded by the operator 
interface, as they were not what was anticipated.