Response Time About Pd-01 - Delta PD-01 User Manual

Request
Word 1 (PKE)
Word 2 (IND)
Word 3 (PWE1)
Word 4 (PWE2)
If PD-01 returns the data 0x0300, it indicates that Scan port is disconnected. Please
refer to Section 6.2 for details.
Example 5: Access error
If take any action using PKW to access parameter in AC Drives and it fails, PD-01 will
response error information. Suppose that Master send data sequence is 202D 8000
0000 0002, if VFD series Drives does not find this address (0x07FD), it will respond
the data sequence 702D 8000 0000 0000, response ID is 7 which means cannot
process request (with error number), and error number is 0 (Illegal Parameter
Number).
Request
Word 1 (PKE)
Word 2 (IND)
Word 3 (PWE1)
Word 4 (PWE2)

Response time about PD-01

The update time via PROFIBUS connection can be divided in 3 parts:
T1: Communication time in transmit data from the master to PD-01, and
T2: Wait processing in data buffer of PD-01, and
T3: Communication time in transmit data from PD-01 to VFD Drives.
Master
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
17A0
7000
0000
0000
202D
8000
0000
0002
PD-01
T1
Data Buffer
T2
Response
Word 1 (PKE)
Word 2 (IND)
Word 3 (PWE1)
Word 4 (PWE2)
Response
Word 1 (PKE)
Word 2 (IND)
Word 3 (PWE1)
Word 4 (PWE2)
Timer
T3
19
PD-01 PROFIBUS-DP Module
17A0
7000
0000
0300
702D
8000
0000
0000
VFD
series
Drives