Spot Original New Siemens 6ES7523-1BL00-0AA0 SM523 Digital I/O Expansion Module DI16/DQ16 For S7-1500 PLC
We have spot stock of brand new original Siemens 6ES7523-1BL00-0AA0 (SM523) digital mixed I/O expansion module for SIMATIC S7-1500 PLC system. Configured with 16DI×24VDC +16DQ×24VDC/0.5A, digital input typical delay 3.2ms(IEC Type3), transistor PNP output, max 4A per 8-channel group. Built-in full system diagnostics for short-circuit, wire break and overload detection, supports SIL2 safety load shutdown (Cat.2/PL c) per industrial safety standard. Optical isolation between backplane and field side, IP20 protection, 35mm width DIN rail backplane installation, factory sealed with push-in front connector included. Widely used for packaging machine, conveyor, automotive assembly line & general factory automation, 12-month warranty, fast global shipment from spot inventory.