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SIMATIC S7, MODBUS SLAVE V3.1 SINGLE LICENSE F.1 INSTALLATION R-SW, SW AND DOCU. ON CD, HW-DONGLE, CLASS A, 3 LANGUAGES (G,E,F), EXECUTABLE U. STEP7 FROM V4.2, REFERENCE-HW: CP341 AND CP441-2 |
Operating systems |
Software |
Class A |
Yes |
Runtime software |
Target system |
— Target system |
CP 341 AND CP 441-2 |
Adjustable parameters |
● Factor for the character delay time |
1 to 10 |
● Release of the memory areas writeable by the master is possible |
Yes |
● Modem operation (ignore filler characters) |
with/without |
● Number of work DB (for FB editing) possible |
Yes |
● RS 485 operation for 2-wire connection |
with/without |
● Slave address of the CP |
1 to 255 |
● Transmission rate |
300 bit/s to 76800 bit/s; (TTY to 19200 bit/s) |
● Conversion of Modbus addresses to S7 data areas |
Yes |
● Preassignment of receive circuit on application of the X.27 interface module |
Yes |
● Character frame |
Yes |
Communication data |
● CRC polynomial |
X16 + x15 + x2 + 1 |
● Communications FB instance DB |
FB 180, DB 180 (use of a multi-instance) |
● Master-slave coupling |
SIMATIC S7 is Slave |
● Modbus protocol |
with RTU format |
● implemented function codes |
01, 02, 03, 04, 05, 06, 08, 15, 16 |
● Conversion of Modbus addresses to S7 data areas |
DB, memory bits, outputs, inputs, times, counters |
● V.24 control and signal cables |
none |
● Character delay time |
3.5 characters or multiples |
Authorization/licenses |
● Single license (EL) |
Yes |
Documentation |
Languages |
● German |
Yes |
● English |
Yes |
● French |
Yes |
last modified: |
14.10.2014 |