Manual
Table Of Contents
- Important User Information
- P. About This Document
- 1. Product Overview
- 2. CANopen Fieldbus Functionality
- 3. Transparent CAN Mode
- 4. Installation
- 5. Configuration
- 6. CANopen Module Specification
- 7. Supported Objects
- 8. Interface Functions
- A. Technical Specification
- B. Status LED Timing Diagrams
- C. CANopen Emergency Codes
- D. Error Codes (RET)
Interface Functions 53
Doc.Id. HMSI-216-117
CM CANopen Module for SIMATIC S7-1200
Doc.Rev. 1.00
Transparent CAN Status Field
The transparent CAN status field consists of 16 bits, where each bit represents a status code. Multiple
bits can be set at the same time to indicate multiple status codes.
The status code 0000h indicates ‘SUCCESS’, while e.g. 0024h indicates ‘RECEIVE MESSAGE LOST’
and ‘BUFFER FULL’.
Bit no. Description
0 BUS OFF
1 ERROR PASSIVE
2 BUFFER FULL
3 BUFFER HALF FULL
4 BUFFER LIMIT REACHED
5 RECEIVE MESSAGE LOST
6 TRANSMIT QUEUE: HALF FULL
7 TRANSMIT QUEUE: WARNING LIMIT
8-15 (reserved, set to 0)