Sales of Siemens module 6ES5188-3UA11 Siemens communication module
SIMATIC S5 CC 135U/155U CENTRAL UNIT 21 SLOTS, W/O CPU, W/O MANUAL 230/115 V AC; 5 V, 18 A
SIMATIC S5 CC 135U/155U CENTRAL UNIT 21 SLOTS, W/O CPU, W/O MANUAL 230/115 V AC; 5 V, 18 A