SIWAREX WP521 ST / WP522 ST offer the following key advantages:

• Uniform design technology and consistent communication in SIMATIC S7-1500
• Uniform configuration with TIA Portal
• Single (WP521 ST) and dual-channel (WP522 ST) variants are available
• Operation possible with or without failed SIMATIC CPU
• Optional direct connection of an operator panel via Ethernet port (Modbus TCP/IP)
• Optional direct connection of a remote display via RS485 interface
• Modbus TCP/IP interface
• Modbus RTU interface
• Three digital inputs and four digital outputs
• Measurement of weight or force with a high resolution of up to ±4 million parts and a measuring rate of 100/120 Hz
• Simple commissioning by means of HMI/CPU or PC software SIWATOOL V7 via the Ethernet interface
• Recovery-point for the simple restoration of all parameters
• Automatic calibration without the need for calibration weights
• Supports replacement of module without recalibration of scales
• Automatic impedance monitoring of the connected load cells
• Direct use in hazardous area zone 2