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Product description
7619_en_05
PHOENIX CONTACT
2.9.2
SafetyBridge
The module occupies four words in the Inline system. For information about how these
words are mapped, please refer to the documentation for the configurable safety module
used.
The module has feedback data and enable data.
Feedback data
The bits in this register mirror the states of the digital outputs as diagnostic data. This data
can be used if an output has been parameterized with a switch-off delay. In this case, the
feedback data can be used to determine the actual state of the output and derive information
for the standard control process from this.
Please note that the feedback data for certain errors (e.g., communication error) can differ
from the actual state of the outputs.
Do not use the diagnostic data to execute safety-related functions or actions.
The structure and function of the register are as follows:
Enable
The enable principle is implemented in the SafetyBridge system. For this, all modules with
local outputs have an enable function integrated in the device firmware (ANDed bit-by-bit)
for each safe output channel. The enable function can be parameterized (enabled/disabled)
for each specific channel (see Section “Parameterization of the safe outputs” on page 50).
The structure and function of the register are as follows:
When the enable function is enabled, the relevant safe output is ANDed bit-by-bit with the
corresponding output bit of the standard control system (Data-PSDO register). This output
is then only set if the result of the safety function calculation permits this and the standard
control system has set the corresponding output in the Data-PSDO register (see also user
manual for the configurable safety module used).
The enable function is performed according to the single-channel or two-channel parame-
terization of the safe outputs.
The following figure illustrates the enable principle.
Table 2-1
Feedback data register (mirrored data)
7
6
5
4
3
2
1
0
OUT3
_Ch2
OUT3
_Ch1
OUT2
_Ch2
OUT2
_Ch1
OUT1
_Ch2
OUT1
_Ch1
OUT0
_Ch2
OUT0
_Ch1
Table 2-2
Enable data register
7
6
5
4
3
2
1
0
OUT3
_Ch2
OUT3
_Ch1
OUT2
_Ch2
OUT2
_Ch1
OUT1
_Ch2
OUT1
_Ch1
OUT0
_Ch2
OUT0
_Ch1
The enable function is not graphically represented in SAFECONF in the safety logic editor.
Parameterize the enable function when parameterizing the channels.
Содержание IB IL 24 PSDO 8-PAC
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