
7
Connection
Examples
EDBC250SIO | 2.0
230
Safety ratings of applications using two outputs for a safety function
Highest safety integrity level to EN 62061:2010
SIL3
Highest safety integrity level to IEC 61508:2010
SIL3
Category and highest performance level to EN ISO 13849-
1:2015
Cat. 4/PL e
Hardware fault tolerance (HFT) in two-channel application
(IEC 61508:2010/EN)
1
(a fault of the application cannot cause the safeguard to
fail)
CAUTION
Lay the feed lines of pressure-sensitive mats and bumpers together
EMC interference may provoke malfunctions.
In order to avoid influences and malfunctions due to EMC effects, lay the four
wires (e.g. Safe-In 0, Safe-In 0/4 TP, Safe-In 1, Safe-In 1/5 TP) together.
CAUTION
"Short circuit in mat" fault is not detected
The safe I/O module fails to detect a short circuit between the mat contacts.
This is interpreted as the mat being actuated. You must also verify that the safe-
guard is wired correctly.
Periodically check that the mat is working properly.
CAUTION
Safety function pressure-sensitive mat requires a response time of 25 ms
Avoid personal injury and damage to property
The pressure-sensitive mat function achieves a response time of 25 ms between
a change in mat state and providing the information on the EtherCAT bus.
Note, information
Use of safe inputs along with the pressure-sensitive mats / bumper
Two safe inputs are allocated to every test pulse output. If a pressure-sensitive
mat / bumper is used, the inputs not involved in providing the function must not
be allocated to the associated test pulse outputs but set up as External Inputs in-
stead.
Example: if SI0, SI0/4 TP, SI1, SI1/5 TP are used, set up the associated partner in-
puts SI4 and SI5 as External Inputs.
I
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