Product Short Description

  • Manufacturer:​ Helmholz (Germany)
  • Product Type:​ CAN bus master communication module for S7-300 PLC racks
  • Mounting:​ Siemens S7-300 standard rack, backplane-connected to CPU
  • Protocols Supported:​ CAN 2.0A / CAN 2.0B, CANopen Master, CANopen Slave, SAE J1939, CAN Layer 2

Description

  • Baud Rate:​ 10 kbps – 1 Mbps (DIP-switch selectable)
  • Upper-layer Functions:​ CANopen Master can map up to 126 slave nodes as a process image
  • Timers:​ 16 freely programmable timers, each can trigger a CAN frame (ideal for servo sync)
  • Configuration Storage:​ Optional MMC micro-storage card for project backup / quick module swap
  • Diagnostics:​ USB port for PC-based diagnostics & parametrization; 6 LED status indicators (ON, CPU backplane, TX, RX, BF bus-fault, MODE)
  • DIP Switches:​ Set station address & baud rate without software
  • Power Supply:​ 5 VDC via S7-300 backplane (typical draw ~160 mA, max ~190 mA)
  • Operating Temperature:​ -25 °C to +60 °C
  • Storage Temperature:​ -25 °C to +75 °C
  • Protection Rating:​ IP20 (cabinet mount)
  • Certifications:​ CE, RoHS
  • Dimensions:​ 116 (D) × 40 (W) × 125 (H) mm, ~280 g
  • Application:​ Bridge S7-300 PLC to CAN-open drives, encoders, instruments; alternative to Siemens CP343-1 at lower cost with drop-in compatibility
  • Installation Notes:​ Insert into S7-300 central or expansion rack; occupy 1 slot; set DIP switches before power-up.

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