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G1506S
EVALUATION UNIT
2. Function and features
The evaluation unit is a redundant diverse system to process a chain of sensors
with up to 8 fail-safe switches.
The evaluation unit supplies/monitors the connected fail-safe switches and
evaluates their switching status. If all fail-safe switches are fully operational and
correctly damped, the evaluation unit transmits the safety code table to the AS-
interface (8x4 bit data sequence).
The safety-related evaluation of the code table must be effected by a suitable
safety monitor (e.g. AC001S, AC002S, AC003S, AC004S). The safe state is when
no code is transmitted (static 0).
The evaluation unit complies with the category 4 according to EN 954-1 or the re-
quirement class 5 according to DIN V 19250/DIN V 19251 and DIN V VDE 0801.
Depending on the safety components used the complete safety system
can also be classified in a lower safety category!
Notes on functions and features
• AS-i profile S-7.B.E
• maximum number of evaluation units per master: 30
• AS-i chip according to the AS-interface version 2.1
3. Configuration requirements
The following requirements must be complied with when using the evaluation
unit G1506S.
Hardware-dependent requirements
The safety requirements of the respective application must correspond to the re-
quirements stated in these instructions. The specified technical data must be
complied with.
By taking administrative measures in the application it must be ensured that a
function check is carried out at least once a year. A function check is carried out
by switching the AS-i supply voltage or the evaluation (data bit DO0, 0 = evalua-
tion ON) briefly off.
In case of faults within the evaluation unit which result in the defined safe state,
the evaluation unit must be replaced.
Software-dependent requirements
The complete description of the configuration of the AS-i safety monitor has to
be taken into account!
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