Product Description
DOK-CONTRL-ILPSDO8****-AW04-EN-P
Bosch Rexroth AG
Rexroth Inline Module with Safe Digital Outputs R-IB IL 24 PSDO 8-PAC
Requirements for controlled
devices/actuators
The error detection of the module varies depending on the parameterization. This
results in specific requirements for the actuators.
If the outputs are parameterized with test pulses, the output circuits are tested by
test pulses at regular intervals. These test pulses are visible at the output and can
trigger undesirable reactions with quick responding actuators. The test pulses are
either light pulses (brief activation) which can be disabled or dark pulses (brief de-
activation) which cannot be disabled.
•
Only use appropriately qualified actuators.
•
Use reliable components. These include, for example:
•
Use relays or contactors with positively driven N/C contacts to safely monitor
the state (pick-up, drop-out).
•
Please observe any special environmental requirements in your application
when selecting the controlled devices.
•
Please note applicable C standards in your application (e.g., EN 1010), in
which, for example, the number of controlled devices required to achieve a
particular category is specified.
Unintentional machine startup
If the process does not tolerate this behavior, actuators with sufficient inertia
must be used.
In general, the load must not be so dynamic that it causes dangerous states
within 1 ms.
Quick actuators, which offer a safety-related response to pulses in under 1 ms,
may
not generally
be used.
Note: Switching off the test pulses affects the error detection of the module.
Please observe the achievable safety integrity level, which is specified in
Chapter “Connection Examples for Safe Outputs” on page 41
.
The failure detection time is 20 ms. Please refer to
Assignment of Safe Outputs” on page 45
for additional information.
•
Control contactors according to EN 60947-4-1
•
Power contactors
•
Relays with positively driven contacts according to DIN EN 50205
WARNING
