Parker Hannifin S.p.A. - Divisione S.B.C. LVD User’s Manual
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[$7E][$80][$01][$54][$D5]
The drive answers with the message:
[$7E][$20][$01][$54][$09][$7E][$00]
Case 2: reading a 2 byte parameter
Assume you want to read the reference speed (Pr7) and that the relative value is 2000; assume
also that the drive serial address is 1. The message to transmit is:
[$7E][$81][$02][$42][$C5]
The drive answers with the message:
[$7E][$21][$02][$42][$D0][$07][$3C]
Case 3: writing a 1 byte parameter
Assume you want to select operating mode 1 (Pr31); assume also that the drive serial address
is 3. The message to transmit is:
[$7E][$A3][$01][$54][$01][$F9]
The drive answers with the message:
[$7E][$23]
Case 4: writing a 2 byte parameter
Assume you want to set rated current at 25.3 % (Pr33); assume also that the drive serial
address is. The message to transmit is:
[$7E][$A3][$02][$C6][$FD][$00][$68]
The drive answers with:
[$7E][$23]
Case 5: setting a bit to 1
Assume you want to enter the command to save the PLC program (b99.14=1); assume also
that the drive serial address is 0. The message to transmit is:
[$7E][$C0][$02][$93][$BF][$40][$54]
The drive answers with:
[$7E][$20]
Case 6: setting a bit to 0
Assume you want to disable the drive via software (b40.9=0); assume also that the drive serial
address is 0. The message to transmit is:
[$7E][$C0][$02][$5D][$FD][$00][$1C]
The drive answers with:
[$7E][$20]
Case 7: writing a PLC instruction
Assume you want to set the first PLC instruction as: LD 90.4; assume also that the drive
serial address is 0. The message to transmit is:
[$7E][$60][$02][$00][$40][$5A][$FC]
The drive answers with:
[$7E][$20]
5.2 Serial addresses and parameter lengths