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Device Specifications
Communication Interface Modules (S500) > PROFIBUS
Group Parameters for the Digital Part
Name
Input delay
Detect short cir-
cuit at outputs
Behaviour DO at
comm. error
Substitute value
at output
Preventive
voltage feedback
monitoring for
DC0..DC7
Detect voltage
overflow at out-
puts
Remarks:
1
)
2
)
3
)
1.7.5.2.8
Diagnosis
Structure of the Diagnosis Block via DPM_SLV_DIAG Function Block.
992
Value
0.1 ms
1 ms
8 ms
32 ms
Off
On
Off
1
)
Last value
Last value 5 sec
Last value 10 sec
Substitute value
Substitute value
5 sec
Substitute value
10 sec
0...65535
Off
On
2
)
Off
On
3
)
The parameter Behaviour DO at comm. error is apply to DC and DO channels
and only analyzed if the Failsafe-mode is ON.
The state "externally voltage detected" appears, if the output of a channel
DC0..DC7 should be switched on while an externally voltage is connected. In
this case the start up is disabled, as long as the externally voltage is connected.
The monitoring of this state and the resulting diagnosis message can be disabled
by setting the parameters to "OFF".
The error state "voltage overflow at outputs" appears, if externally voltage at dig-
ital outputs DC0..DC7 and accordingly DO0..DO7 has exceeded the process
supply voltage UP3
The according diagnosis message "Voltage overflow on outputs " can be disa-
bled by setting the parameters on "OFF". This parameter should only be disabled
in exceptional cases for voltage overflow may produce reverse voltage.
3ADR010121, 13, en_US
Internal value
0
1
2
3
0
1
0
1
6
11
2
7
12
0000h...FFFFh
0
1
0
1
Ä Chapter 1.7.5.2.3 "Electrical Connection" on page 982.
Internal value,
Default
type
BYTE
0.1 ms
0x00
BYTE
On
0x01
BYTE
Off
0x00
WORD
0
0x0000
BYTE
Off
0x00
BYTE
Off
0x00
2019/04/17
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