User Manual
Table Of Contents
- 1 Features
- 2 Order Codes
- 3 Mechanical and Electrical Interfacing
- 4 Connectors
- 5 Jumper Settings
- 6 LEDs
- 7 Communication
- 8 Functional Description
- 9 Operational Ratings and Characteristics
- 10 Abbreviations used in this Manual
- 11 Figures Index
- 12 Tables Index
- 13 Supplemental Directives
- 14 Revision History

TMCM-1110 Hardware Manual • Hardware Version V2.30 | Document Revision V1.10 • 2017-SEP-06
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Pin Label Direction Description
2 L1 in Input for left reference/limit switch of motor 0
3 R1 in Input for right reference/limit switch of motor 0
4 L2 in Input for left reference/limit switch of motor 1
5 R2 in Input for right reference/limit switch of motor 1
6 L3 in Input for left reference/limit switch of motor 2
7 R3 in Input for right reference/limit switch of motor 2
Table 6: Reference Switch Connector Pin Assignment
4.5 RS485 and CAN Connector
The standard TMCM-1110_V23 stepRocker offers the RS485 interface, only.
RS485/CAN Connector Pin Assignment
Pin Label Direction Description
1
2
3 CAN_L bi-directional
differential CAN bus signal (inverting) - retro-fit
option
4 CAN_H bi-directional
differential CAN bus signal (non-inverting) - retro-
fit option
5 GND Power (GND) Signal and system ground
6 RS485+ bi-directional differential RS485 bus signal (non-inverting)
7 RS485- bi-directional differential RS485 bus signal (inverting)
8
9
10
Table 7: RS485/CAN Connector Pin Assignment
4.5.1 Upgrade the stepRocker for CAN communication
4.6 USB Connector
A USB interface is available via a mini-USB connector. This module supports USB 2.0 Full-Speed (12Mbit/s)
connections.
USB Connector Pin Assignment
Pin Label Direction Description
1 VBUS Power (+5V input) +5V supply from the host
2 D- bi-directional USB Data-
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