Sales Original Siemens 6ES7523-1BP50-0AA0 SM523 Digital I/O Expansion Module 16DI 16DO Spring Terminal For S7-1500 PLC
We focus on sales of original sealed Siemens 6ES7523-1BP50-0AA0 (SM523) mixed digital input/output module for SIMATIC S7-1500 PLC. Module specification:16-channel 24VDC digital input + 16-channel 24VDC PNP transistor output(0.5A per point), equipped with spring push-in front connector for quick field wiring. Support channel-level diagnostics for short circuit, open circuit and overload, conform to SIL2 safety standard, optical isolation between internal circuit and field wiring. Installed on S7-1500 backplane DIN rail, IP20 protection. Original factory package with 12-month warranty, stable stock to support bulk order and worldwide delivery.