TECHNICAL INFORMATION
31
87-900-120-01 (A)
The PHD-4 can answers with the following
response types:
TYPE
LENGTH
VALUE
DESCRIPTION
Logic
1 byte
-
After a read
instruction of a logic
window
Numeric
6 bytes
-
After a read
instruction of a
numeric window
Alphanumer
ic
10 bytes
-
After a read
instruction of an
alphanumeric
window
ACK
1 byte
(0x6)
The command
execution has been
successfully
completed
NACK
1 byte
(0x15)
The command
execution has been
failed
Unknown
Window
1 byte
(0x32)
The specified
window in the
command is not a
valid window
Data Type
Error
1 byte
(0x33)
The data type
specified in the
command (Logic,
Numeric or
Alphanumeric) is not
accorded with the
specified Window
Out of
Range
1 byte
(0x34)
The value expressed
during a write
command is out of
the range value of
the specified window
Win
Disabled
1 byte
(0x35)
The specified
window is Read Only
or temporarily
disabled (for
example you can’t
write the Soft Start
when the Pump is
running)
