SIMATIC S7-400 备件 — 停产、库存剩余及翻新件
可按需提供Siemens 6ES7421-7BH01-0AB0 – SIMATIC S7-400, digital input SM 421, isolated 16 DI
可按需提供Siemens 6ES7421-1FH20-0AA0 – SIMATIC S7-400, digital input SM 421, isolated 16 DI
可按需提供Siemens 6ES7416-3XS07-0AB0 – SIMATIC S7-400, CPU 416-3