Installation manual
Page 67 of204
Safety note:
Not recommended for safety applications! In this context see also the notes in EN 13849-1
concerning the application and the required fault exclusions.
4.3.4.2.2 Wiring single-channel with testing
Use of one output EAA1...40 in connection with a single-channel external wiring for testing.
Positively guided auxiliary contacts are especially needed for electro-mechanical devices and
message contacts for the valve position are required for hydraulic or pneumatic components.
Furthermore, a message/warning device for indicating a failure is required. The message/warning
device must ensure that the operator recognizes the dangerous situation immediately.
The achievable PI is mainly depending on the test rate, PI d acc. to EM 13849-1 can maximally
be achieved.
EAA13
X51
X42
EAA14
EAA15
EAA16
NC
NC
DO.1
DO.2
X65
DI13
DI14
P1
P2
L +
L -
Fig.: Single-pole relay output with testing
Safety note:
Only conditionally recommended for safety applications! In this context see also the notes
in EN 13849-1 concerning the application and the required fault exclusions.
For PI c or higher a test rate of > 100 * the request rate is required.
For PL c and higher a message/warning feature is required, which informs the operator
immediately about a dangerous situation
Summary of Contents for PSCBR-C-10 Series
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