① 57 series stepper motor
② IO: Integrated Open Loop
③ 22: Motor static torque 2.2N. m
④ 09: Step angle: 0.9 °, default 1.8 °
⑤ 76: Body length 76. If it is a standard motor length, it defaults
⑥ XXXX: Customized non-standard naming for customers

42 series drive dimensional drawing

Size diagram of 57 series drives

output peak current	output rms current	SW1	SW2	SW3
Default1.5A[PK]		on	on	on
2.1A	1.5A	off	on	on
2.7A	1.9A	on	off	on
3.2A	2.3A	off	off	on
3.8A	2.7A	on	on	off
4.3A	3.1A	off	on	off
4.9A	3.5A	on	off	off
5.6A	4.0A	off	off	off

This table is the 57 series current setting table, the 42 series is 0.7-2.2A, please refer to the actual product for details.

Pulse/rev	SW4	SW5	SW6
Default[400]	on	on	on
800	off	on	on
1600	on	off	on
3200	off	off	on
4000	on	on	off
5000	off	on	off
6400	on	off	off
12800	off	off	off