Which components have to be ordered for the function of PCS 7 / STEP 7 with a CP341 module as MODBUS master and which components have to be ordered for the function of PCS 7 / STEP 7 with a CP341 module as MODBUS slave?

ANSWER:
You need at least the following components for each of the options described below:

• CP341 module: 6ES7 341-1xH01-0AE0 (x:= A: RS232; x:= B: TTY; x:= C: RS422/485)
  This card is always supplied with the installation CD for PtP communication.
• Single license (MODBUS master): 6ES7 870-1AA01-0YA0
  This delivery package includes the installation CD for retrofittable MODBUS master driver, documentation and a hardware dongle for the CP341.

or

• Single license (MODBUS slave): 6ES7 870-1AB01-0YA0
  This delivery package includes the installation CD for retrofittable MODBUS slave driver, documentation and a hardware dongle for the CP341.

For each further MODBUS master link you need an additional CP341 module (see above) and another single license without software and documentation (only hardware dongle). The order number for this is:

·         Single license (without software and documentation): 6ES7 870-1AA01-0YA1
This delivery package includes one hardware dongle for the CP341.

For each further MODBUS slave link you need an additional CP341 module (see above) and another single license without software and documentation (only hardware dongle). The order number for this is:

·         Single license (without software and documentation): 6ES7 870-1AB01-0YA1
This delivery package includes one hardware dongle for the CP341.

The following configurations with CP341 are released:

1.       PCS 7 / STEP 7 is MODBUS master or slave (not redundant)

 

 Required order: 1* CP341 and 1* single license

2.PCS 7 / STEP 7 is MODBUS master or slave (not redundant)

 

Required order: 1* CP341 and 1* single license

5.       PCS 7 / STEP 7 is MODBUS master or slave (redundant)

    

Required order: 1* CP341 and 1* single license
Additional order: 1* CP341 and 1* single license (without software and documentation)