Siemens SIMATIC S5-115F - Page 306

S5-115F Manual Rules Governing the Use of the S5-115F
Connecting non-deactivatable sensors
. . .. . .. . .
Subunit A Subunit B
Sensor
DI
430 - 7LA
434 - 7LA
a a a a
a a a a
a a a a
a a a a
a a a a
DI
430 - 7LA
434 - 7LA
a a a a a
a a a a a
a a a a a
a a a a a
a a a a a
458 - 7LA
458 - 7LB
CH Rel DQ
a a a a
a
a a
a
a
a a
a
a
a a
a
a a a a
a a a a
a a a a
a a a a
a a a a
a a a a
Figure 10-11. Type 3 DI, Safety-Related, Non-Intermittent: Single-Channel,
Non-Deactivatable Sensor
. . .. . .. . .
Subunit A Subunit B
Sensor
DI
430 - 7LA
434 - 7LA
a a a a
a
a a
a
a
a a
a
a a a a
DI
430 - 7LA
434 - 7LA
a a a a a
a
a a a
a
a
a a a
a
a a a a a
458 - 7LA
458 - 7LB
CH Rel DQ
a a a a
a
a a
a
a
a a
a
a a a a
a a a a
a
a a
a
a
a a
a
a a a a
. . .
458 - 7LA
458 - 7LB
CH Rel DQ
a a a a a
a
a a a
a
a
a a a
a
a a a a a
a a a a a
a
a a a
a
a
a a a
a
a a a a a
Sensor
Figure 10-12. Type 3 DI, Safety-Related, Non-Intermittent: Two-Channel,
Non-Deactivatable Sensors
These sensors cannot be deactivated for testing. For this reason, the signal must be interrupted:
• In the case of single-channel sensors with one relay, either in subunit A or B.
• In the case of two-channel sensors with two relays, one in subunit A and one in subunit B.
EWA 4NEB 811 6148-02 10-23