现因业务发展需要，长期面向全国大量高价求购工程剩余西门子6GK,6AV,6DD,6SN,6EP,6ES7300400系列PLC。
回收西门子SiemensS7模块系类 6ES7513-1AL00-0AB0 CPU 1513-1 PN, 300KB PROG., 1,5MB DATA
6ES7515-2AM00-0AB0 CPU 1515-2 PN, 500KB PROG., 3MB DATA
6ES7515-2FM00-0AB0 CPU 1515F-2 PN, 750KB PROG.,3MB DATA
6ES7516-3AN00-0AB0 CPU 1516-3 PN/DP, 1MB PROG., 5MB DATA
6ES7516-3FN00-0AB0 CPU 1516F-3 PN/DP, 1,5MB PROG, 5MB DATA
6ES7517-3AP00-0AB0 CPU 1517-3 PN/DP, 2MB PROG./8MB DATA
6ES7517-3FP00-0AB0 CPU 1517F-3 PN/DP, 3MB PROG., 8MB DATA
6ES7518-4AP00-0AB0 CPU 1518-4 PN/DP, 3MB PROG., 10MB DATA
6ES7518-4FP00-0AB0 CPU 1518F-4 PN/DP, 4,5MB PROG, 10MB DATA
6ES7521-1BH00-0AB0 DI 16X24VDC HF
6ES7521-1BH10-0AA0 DI 16X24VDC BA
6ES7521-1BH50-0AA0 DI 16X24VDC SRC BA
6ES7521-1BL00-0AB0 DI 32X24VDC HF
6ES7521-1BL10-0AA0 DI 32X24VDC BA
6ES7521-1FH00-0AA0 DI 16X230VAC BA
6ES7522-1BF00-0AB0 DQ 8X24VDC/2A HF
6ES7522-1BH00-0AB0 DQ 16X24VDC/0.5A ST
