Current stock Siemens S7 parts: I have now sold just about all of my Siemens parts. All that remains are a few dummy modules and a few I/O connectors: Basic I/O modules (SM) Dummy module (reserves address space) 2 of £10 each Siemens part No 6ES7 370-0AA01-0AA0 Siemens list price $110 *, typical ebay price £?? Miscallaneous components TP3 Termination block 28 screw terminals for use 10 of £5 each with above Top Connect front panel connector For use with "3 wire initiators" (digital I/O) Siemens Part No 6ES7 924-0CA00-0AA0 Siemens list price $?? *, typical ebay price £?? TPA Termination block 30 screw terminals for use 5 of £5 each with above Top Connect front panel connector For use with "analogue initiators" (analogue I/O) Siemens Part No 6ES7 924-0CC00-0AB0 Siemens list price $?? *, typical ebay price £?? Profibus L2 cable connector for first or last 1 of £5 node on network Siemens Part No 6GK1 500-0EA00 Siemens list price $?? *, typical ebay price £?? *   Siemens list prices refered to are those in the only printed price list that I have from Siemens, and are basic list prices before any discounts. That price list is out of date, so current prices may be more or less. Prices thus stated are just to give a rough indication of what you might expect to pay if buying the item new from a Siemens distributor. Ebay typical prices where known are an indication of what I have seen similar items selling for on ebay recently. Please check with me to confirm availability before ordering by going to the Contact information page.