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PNU
Description
P786
USS bus address for G-SST1
*
This parameter is functional only when P780=2 (USS protocol). Address via
(G170)
which the unit can be addressed in USS bus operation.
P787
Telegram failure time for G-SST1
The failure time set in this parameter is valid when setting P780=2 (USS
(G170)
protocol) is selected.
0.000
0.001...65.000 Time which may elapse between the receipt of two
Fault message F011 is activated if no valid telegram is received within this
time period.
Note:
The telegram monitoring function is active
•
from the receipt of the first error-free telegram after connection of the
electronics power supply
•
from the receipt of the first error-free telegram after the telegram monitor
has responded (i.e. monitoring timeout).
P788
Source for activation of F011
*
Selection of binector which will activate fault message F011 when it
(G170)
switches to log. "1"
2030 = binector B2030
2031 = binector B2031
r789
Diagnostic information for G-SST1
Free-running counter, overflow at 65535
(G170)
i001:
Number of error-free telegrams
i002:
Number of errored telegrams:
Byte frame, parity, overrun or BCC error
i003:
Number of byte frame errors
i004:
Number of overrun errors
i005:
Parity error
i006:
STX error:
Start interval before STX not observed,
telegram residual transfer time not observed,
delay time of LGE character too long,
erroneous STX, i.e. ≠ 02
i007:
Violation of telegram residual transfer time
i008:
Block check error
i009:
Incorrect telegram length:
With P782=3 or 4 only:
The length of the received telegram is ≠ P781 + P782
(Note: If the received values are correct, they will be processed
even when this error has been detected)
i010:
Timeout error:
No valid telegram has been received for a period exceeding the
setting in P787. After the occurrence of a timeout error, this
counter is not activated again until the next valid telegram is
received.
G-SST 2 (RS485 on X172) (see also Section 8, Sheets G171 and G173 and Section 9 of Operating Instructions 6RX1700-0AD**)
P790
Selection of protocol for G-SST2 basic converter interface
*
0
Setting has no function
(G171)
2
USS protocol
(G173)
5
"Peer-to-peer" communication
9
For internal factory test purposes
SIEMENS Energy & Automation
SIMOREG DC Master Base Drive Panel Operating Instructions
No time monitoring
telegrams addressed to the unit before a fault message
is activated.
Value range
No. indices
[Unit]
Factory
Steps
setting
Type
0 to 30
Ind: None
1
FS=0
Type: O2
0.000 to 65.000
Ind: None
[s]
FS=0.000
0.001s
Type: O2
2030, 2031
Ind: None
FS=2030
Type: L2
Ind: 10
Type: O2
0, 2, 5, 9
Ind: None
1
FS=0
Type: O2
See
Change
(Access /
Status)
P052 = 3
P051 = 40
Offline
P052 = 3
P051 = 40
Offline
P052 = 3
P051 = 40
Offline
P052 = 3
P052 = 3
P051 = 40
Offline
10-79
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