12
Transfer protocol
Intelligent Power Supply KNX PS640-IP 2U
• Version: 21.09.2021 • Technical changes and errors excepted.
16
KNX bus
reset
Initialize
Triggered by a telegram
with value 0 or 1, the device
starts a reset process.
1 bit
C-WTU
17
KNX bus
reset
number
Send
counter
value
„With „“Cyclic sending““
the device sends the
number counter value of
KNX bus resets.“
2 bytes
CR-T-
18
Total
operating
time
Send
counter
value
„With „“Sending
difference““ the device
sends the time counter
value of the total operating
time in s.“
4 bytes
CR-T-
19
Operatin
g time
since
startup
Send
counter
value
„With „“Sending
difference““ the device
sends the time counter
value of the time elapsed
since last device startup in
s.“
4 bytes
CR-T-
20
Startup
number
Send
counter
value
„With „“Cyclic sending““
the device sends the
number counter value of
device startups.“
2 bytes
CR-T-
21
Duration
1
Send
counter
value
„With „“Sending
difference““ the device
sends the time counter
value (in s) of a pre-selected
variable (output current,
output voltage,
temperature) being in the
threshold range.“
4 bytes
CR-T-
22
Counter 1
Send
counter
value
„With „“Sending
difference““ and „“Cyclic
sending““ the device sends
the number counter value
(in s) indicating the number
of threshold events (for
output current, output
voltage, temperature).“
2 bytes
CR-T-
23
Threshol
d 1
Send
alarm
status
With the measured value
entering the threshold
range a telegram with value
0 or 1 is sent. After
returning to normal
operating and passing
hysteresis a telegram with
value 0 or 1 is sent.
1 bit
CR-T-
No.
Name
Function
Description
Lenght
DPT
Flags