Gateway Unit the SMC EX500‑GPR1A is a PROFIBUS‑DP gateway unit (GW unit) in the EX500 decentralized serial wiring system. It supports up to 64 digital inputs and 64 digital outputs (16 per branch × 4 branches), and interfaces with SI units or input blocks using M12 connectors. Rated for 24 VDC operation, with UL1310 Class 2 supply compatibility and IP65 enclosure, designed to control solenoid valve manifolds in industrial pneumatic automation applications.
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