Siemens 6ES7 331-7KF01-0AB0 Product description:
RS485/PROFIBUS DP communication interface module
Compatible with Siemens S7-300 and S7-1500 series PLCs
Allows communication with RS485 and PROFIBUS DP devices
Data transfer rate: up to 12 Mbps
Supply voltage: 24 V DC
Output current: 250mA
Connectors:
1 9-pin D-sub connector for RS485
1 PROFIBUS DP connector with 9 pins
Protection class: IP20
DIN rail mounting
Features:
Dual interface RS485/PROFIBUS DP
High data transfer rate
Supports Modbus RTU and ASCII communication protocols
Master or slave operating mode
Integrated diagnostics
Applications:
Industrial control systems
Building automation
Communication with RS485 and PROFIBUS DP devices
Interface with frequency converters, temperature controllers and other devices.
Technical specifications:
Supply voltage: 24 V DC
Output current: 250mA
Data transfer rate: up to 12 Mbps
Number of PROFIBUS DP nodes: up to 126
Number of RTU Modbus units: up to 32
Maximum cable length: 1200 m (RS485), 500 m (PROFIBUS DP)
Protection class: IP20
Operating temperature: -25°C to +70°C
Dimensions: 72 x 125 x 32 mm
Weight: 0.22 kg