Siemens SIMATIC CP 541 Manual page 16

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