$54.29
SIEMENS Simatic USB-MPI+ S7 200/300/400 PC Adapter USB Programming Line
$46.50
New USB-MPI+ Optical Isolated PLC Cable USB to RS485 adapter for Siemens S7-300 /400
$84.00
STEP 7 Programming Made Easy in LAD, FBD, and STL - A Practical Guide to Programming S7-300/S7-400 Programmable Logic Controllers, First Edition
$19.00
PLC Battery CR1/2AA-WSC for Siemens S7-300 S7-312CPU S7-314CPU Siject Cl Cl16i