OL86-C Bus Open-Loop Stepper Driver

Product Overview

The OL86-C stepper driver adopts the new generation 32-bit DSP technology, combined with CANopen bus control functions, supporting the CIA301 protocol and CIA402.V2 sub-protocol. It can support up to 32 axes, enabling multi-axis high-speed bus synchronous control. The driver supports position mode, speed mode, and homing mode. The standardized protocol makes the entire control system more stable and reliable, while the simple field wiring effectively avoids pulse loss issues commonly seen in traditional drivers in interference environments.

Features

Voltage input range: DC 30V to 110V / AC 20V to 80V Maximum peak current: 8A Communication interface: CANopen Communication protocol: CiA301 and CiA402 sub-protocols Automatic motor parameter tuning function Features overvoltage, overcurrent, and other protection functions

Product Overview Supporting Products Data Download

Driver Function Description

Driver Functions	Operating Instructions
Station Number Setting	The driver communication station number is set by five DIP switches SW1-SW5, supporting up to 31 slave stations. In actual use, the driver should be stopped first. Please set the slave address according to the table on the driver panel.
CANopen IN/OUT	CANopen communication interface, supporting CIA301 protocol and CIA402.V2 sub-protocol.
Baud Rate Setting	The driver communication baud rate is set by two DIP switches SW6~SW7, with a range of 125K~1M in 4 levels. In actual use, the driver should be stopped first. Please set the communication baud rate according to the table on the driver panel. SW8 is the terminal resistor. 。
Indicator Lights	The driver has two indicator lights: red and green. The green light is the power indicator, which stays on when the driver is powered. The red light is the fault indicator, which stays on when overvoltage or overcurrent faults occur. The red light turns off after the fault is cleared. When a fault occurs, only power cycling and re-enabling can clear the fault.
DI/DO Signal Interface	DI0~DI6 are single-ended inputs, DICOM is the common input terminal; DO0~DO2 are single-ended outputs, DOCOM is the common output terminal. Corresponding command values can be configured as needed to use the functions associated with these commands. Please refer to the driver manual for specific settings.
Motor Interface	A+ and A- connect to the positive and negative terminals of the stepper motor A-phase winding; B+ and B- connect to the positive and negative terminals of the stepper motor B-phase winding. Swapping the + and - terminals of phase A or B can reverse the motor rotation direction.
Power Interface	Powered by DC power supply, recommended operating voltage range is 30V-110VDC or 20V~80VAC, with a recommended operating voltage of 48VDC and power greater than 300W.
Installation Instructions	The driver dimensions are 150×97.5×52.6mm, with mounting hole spacing of 138.5mm. It can be installed horizontally or vertically (vertical installation is recommended). During installation, it should be mounted tightly against a metal cabinet to facilitate heat dissipation.

Product Diagram

Parameter Settings

The OL86-C driver supports CANopen bus, with 8 DIP switches available to set CANopen station number, communication baud rate, and terminal resistor, as shown in the table below:

Station Number Setting

Station Number	SW1	SW2	SW3	SW4	SW5	Station Number	SW1	SW2	SW3	SW4	SW5
Custom	off	off	off	off	off	16	off	off	off	off	on
1	on	off	off	off	off	17	on	off	off	off	on
2	off	on	off	off	off	18	off	on	off	off	on
3	on	on	off	off	off	19	on	on	off	off	on
4	off	off	on	off	off	20	off	off	on	off	on
5	on	off	on	off	off	21	on	off	on	off	on
6	off	on	on	off	off	22	off	on	on	off	on
7	on	on	on	off	off	23	on	on	on	off	on
8	off	off	off	on	off	24	off	off	off	on	on
9	on	off	off	on	off	25	on	off	off	on	on
10	off	on	off	on	off	26	off	on	off	on	on
11	on	on	off	on	off	27	on	on	off	on	on
12	off	off	on	on	off	28	off	off	on	on	on
13	on	off	on	on	off	29	on	off	on	on	on
14	off	on	on	on	off	30	off	on	on	on	on
15	on	on	on	on	off	31	on	on	on	on	on

Baud Rate Setting

Baud Rate	125Kbps	250Kbps	500Kbps	1Mbps
SW6	on	off	on	off
SW7	on	on	off	off

Terminal resistor setting: When SW8 is set to ON, a 120Ω terminal resistor is connected between the signal lines to prevent signal reflection at the cable end when nodes send signals on the network.

Main Application Areas

Suitable for various motion control automation equipment and instruments, such as electronic processing and inspection, semiconductor packaging, laser cutting and welding, laser typesetting, packaging machinery, engraving machines, marking machines, cutting machines, garment plotters, CNC machine tools, and automated assembly equipment.

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