
Shanghai AMP & MOONS’ Automation Co. Ltd.
No.168 Mingjia Road, Industrial Park North Minhang District,
Shanghai 201107, P.R. China
Tel: 86-21-52634688 Fax: 86-21-62968682
Service Center
+86-400-820-9661
Selection
Switches
Many operational
parameters of the
SR2-Plus can be set
or changed by posi-
tion switches - either
by a single switch or
a combination of ON/
OFF settings of 2 or
more switches.
Safety Instructions
• Onlyqualiedpersonnelshouldassemble,install,operate,ormaintainthisequipment.
• Read all available documentation before assembly and operation.
• It is vital to ensure that all system components are connected to earth ground.
• This product contains electrostatically sensitive components that can be damaged by incorrect
handling.
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8
Running current Idle current Microstepping
SW9 SW10 SW11 SW12
Self test Step Smoothing Filter Load Inertia Step Noise Filter
Running current - 3 switches for a total of 8 settings:
Peak SW1 SW2 SW3
0.3A ON ON ON
0.5A OFF ON ON
0.7A ON OFF ON
1.0A OFF OFF ON
1.3A ON ON OFF
1.6A OFF ON OFF
1.9A ON OFF OFF
2.2A OFF OFF OFF
Idle Current (SW4) - ON for half current, OFF for 90%
current
Self test (SW9) - ON to enable, OFF to disable
Step Smoothing Filter (SW10) - ON to enable, OFF to
disable
Load Inertia (SW11) - ON to high, OFF to low
Step Noise Filter(SW12) - ON for 150 KHz, OFF for 2
MHz
Microstepping - 4 switches for a total of 16 settings:
Microstep(step/rev) SW5 SW6 SW7 SW8
200 ON ON ON ON
400 OFF ON ON ON
800 ON OFF ON ON
1600 OFF OFF ON ON
3200 ON ON OFF ON
6400 OFF ON OFF ON
12800 ON OFF OFF ON
25600 OFF OFF OFF ON
1000 ON ON ON OFF
2000 OFF ON ON OFF
4000 ON OFF ON OFF
5000 OFF OFF ON OFF
8000 ON ON OFF OFF
10000 OFF ON OFF OFF
20000 ON OFF OFF OFF
25000 OFF OFF OFF OFF