Sales of Siemens PLC module 6ES7870-1AA01-0YA0 S7-400 authorized by Siemens
SIMATIC S7, MODBUS Master V3.1 Single Machine License for 1 installation R-SW, software and documentation on CD, hardware dongle, grade A, 3 languages (German, en, French), operating environment for STEP 7 from version 4.02, reference hardware: CP 341 and CP 441-2
Introduction
