Rules Governing the Use of the S5-115F
S5-115F Manual
Choose interposing relays/actuator according to the following criteria:
Table 10.4 Choise of the reaction times for interposing relays and actuator
I/O type
Drop-out delay of the
interposing relays
Drop-out delay of
the actuator
9
any time
any time
10
direct control
-
Dead time:
24 V:
>10 ms
115/230 V: >30 ms
10
indirect control
Readback
Dead time:
24 V:
>10 ms
115/230 V >30 ms
any time
10
indirect control
Readback at load circuit
as fast as possible
24 V:>10 ms +T
DT interposing relay
115/230 V:T
DT interposing relay
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Note
The drop-out delay of the DC interposing relays and DC actuators can be increased by
connecting a free-wheeling diode in parallel.
Testing DQs of I/O type 10 results in a dead time. This is
•
7 ms in the case of direct controlled 24 V output modules
•
24 ms in the case of direct controlled 230 V output modules
In the case of indirect controlled output modules, the specified times increase by the pickup delay
of the relays used.
Output and readback must not exceed 70 ms otherwise the operating system responds with an
error. For this reason, use relays with low pickup delays.
Note
You can use both direct and indirect controlled actuators in one output byte, the dead
time of the indirect controlled outputs applies for the
entire byte.
10-30
EWA 4NEB 811 6148-02