Properties / Services
B3–4
CP 443-5 Basic for PROFIBUS / Manual Part B3 –
Release 11/2002
C79000-G8976-C161-03
Properties / Services
Application
The CP 443-5 Basic communications processor is designed for use in a SIMATIC
S7-400 (standard) and S7-400H (fault-tolerant system) programmable controller. It
allows the S7-400 / S7-400H to be connected to a PROFIBUS field bus system.
Services
The current version of the CP 443-5 Basic supports the following communication
services in the standard and H systems:
S
PROFIBUS FMS (complying with EN 50170, FMS client and server function)
as FMS master for the following types of connection:
– MMAC: Master-master acyclic
– MSAC: Master-slave acyclic
– MSAC_SI: Master-slave acyclic with slave initiative
– MSCY: Master slave cyclic
– BRCT (broadcast): Sending to all FMS stations
S
S7 communication and PG/OP communication
– PG functions with upload / download of FM modules, configuration /
diagnostics and routing
Note on routing: Dynamic switchover to alternative paths (for example if
there is a problem on one of the possible transmission paths) is not
supported.
– Operator control and monitoring functions (HMI)
– Data exchange using communication function blocks on S7 connections
(fault-tolerant S7 connections also possible)
1
)
1)
Blocks for S7 communication (see also STEP 7 online help or
“System Software for S7-300/400 System and Standard Functions” manual):
BSEND
SFB 12
BRCV
SFB 13
PUT
SFB 14
GET
SFB 15
USEND
SFB 8
URCV
SFB 9
START
SFB 19
STOP
SFB 20
RESUME
SFB 21
STATUS
SFB 22
USTATUS
SFB 23
CONTROL
SFC 62
1
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