S5-115F Manual Rules Governing the Use of the S5-115F
10.9.4 Type 2 Digital Input Modules
Type 2 DIs have the following characteristics:
• Safety-related
• Intermittent input signal
• They are operated in subunit A and B (two-channel configuration) and must have the same
module address in both subunits.
Figure 10-7 shows the connection of single-channel sensors
Figure 10-7. Type 2 DI, Safety-Related, Intermittent: Single-Channel Sensor
. . .
P
. . .
Subunit A Subunit B
DI
430 - 7LA
435 - 7LC
436 - 7LC
Sensor Sensor
. . .
DI
as in
subunit A
Permissible modules
Module
430-7LA DI
435-7LC DI
436-7LC DI
failsafe
failsafe
failsafe
Characteristics
32 * 24 V, connected to common 0 V
potential in groups of 8, P input
8 * 115 V, not connected to common 0 V
potential
8 * 230 V, not connected to common 0 V
potential
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EWA 4NEB 811 6148-02
10-19
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