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No.EX##-OMY0004
3. Product Summary
3.1. Features
SI Unit
The SI (Serial Interface) Unit represents a PROFIsafe on PROFINET IO-device for SMC pneumatic
valves. It is designed for digital data control by connecting compatible EX245 modules and for use
within rugged industrial environments, especially automotive plants. The SI Unit can be used to
implement a safety function for the directly connected valves and has the following properties:
IP65 protection
Two connectors for PROFINET IO and two connectors (24 Volt) for supply voltages
EX245-FPS1: 2 x Push Pull connectors and 2 x Push Pull connectors (SCRJ)
EX245-FPS2: 2 x Push Pull connectors and 2 x Push Pull connectors (RJ45)
EX245-FPS3: 2 x 7/8 inch 5pins connectors and 2 x M12 4 pins socket D-coded connectors
Four separately controlled safe power supplies (3 for valve zones & one for I/O modules)
Up to 24 solenoid valves outputs (arranged in 3 separate safety zones of 8 valves each). See Section 6
“Valve Manifold”.
Up to 128 digital inputs plus 8 safe digital inputs (or 4 safe dual channel digital inputs)
Up to 64 digital outputs independent of solenoid valves
Up to 8 non-safe I/O modules (limited by the total current consumption)
Integrated diagnostic and protection function
Galvanically isolated power supplies
Free module configuration
Flexible power supply combination
Designed for use in safety systems up to SIL 3 according to EN 61508
Designed for use in safety systems up to Category 4, Performance level (PL) e according to EN ISO 13849
Choice of user selectable fail-safe operating modes (Channel Passivation or Module Passivation)
Corresponding solenoid valve manifolds
JSY3000/5000
SY3000/5000
VQC2000/4000
Compatible EX245 modules
The following non-safe I/O modules can be used with the EX245 PROFIsafe SI unit
Digital Input Module : EX245-DX1(16 digital inputs)
Digital Output Module : EX245-DY1 (8 digital outputs)
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