1-8
Communications Processor CP 541
EWA 4NEB 812 6188-02
When one SINEC L2 station is connected via CP 541, Table 1-5 shows the
possible communication modes in relation to the appropriate programmable
controllers of the SIMATIC S5 family.
Table 1-5
Connectable Programmable Controllers and Communication Modes; one Station Connected to
SINEC L2 via CP 541
SINEC L2
partner
S5-95U
IM 308B
IM308C
CP 5430
CP 5431
CP 342-5
DP
CP 5412
A2
partner
Connected
PLC
S5-95U
and
SINEC L2
connec-
tion
S5-95U as
DP master
S5-115U
S5-115H
S5-135U
S5-155U
S5-155H
S5-115U
S5-115H
S5-135U
S5-155U
S5-155H
S7-300
PG
S5-95F
S5-115F
To
CP
S5-90U
S5-95U
S5-100U
S5-115U
PLC-PLC
Broadcast
DP
PLC-PLC
DP
Broadcast
DP
DP
Broadcast
CP
541
CP
530
in
S5-115H
S5-135U
S5-155U
S5-155H
DP
Broadcast
DP
S5-115H
PLC-PLC
PLC-PLC
DP
DP
The abbreviations in Tables 1-4 and 1-5 have the following meanings:
Designation
Meaning
PLC-PLC (see Section 2.1)
The PLC-PLC connection serves to transmit messages between two
programmable controllers.
DP (see Section 2.2)
The DP connection serves to exchange messages with a higher-
level DP master.
Broadcast (see Section 2.3)
You use a broadcast to transmit messages to all stations connected
to SINEC L2.
Safety-related PLC-PLC (see
Section 5.1.1)
The safety-related PLC-PLC connection serves to transmit safety-
related messages between two failsafe programmable controllers.
Safety-related broadcast (see
Section 5.1.2)
You use safety-related broadcast to transmit safety-related mes-
sages to all stations connected to SINEC L2.
One Station via
CP 541
Meanings of
Designations
Overview