| SCL for ST Series Drive | SCL for Si Series Drive | BLU Servo Commands |
| AC | acceleration rate | DL | define limits | MD | motor disable |
| AD | analog dead band | EG | electronic gearing | ME | motor enable |
| AF | analog filter | FC | feed to length with speed change | MN | model number |
| AG | analog velocity gain | FD | feed to double sensor | MO | motion output |
| AI | alarm reset input (en input) | FE | follow encoder | PB | power-up baud rate |
| AL | alarm code | FI | filter input | PC | power-up current |
| AM | max acceleration | FL | feed to length | PI | power-up idle current |
| AO | alarm output | FM | feed to sensor with mask distance | PM | power-up mode |
| AP | analog position gain | FO | feed to length and set output | PR | protocol |
| AR | alarm reset (immediate) | FP | feed to position | PS | pause |
| AT | analog threshold | FS | feed to sensor | RE | restart |
| AV | analog offset value | FY | feed to sensor with safety distance | RL | register load (immediate) |
| AX | alarm reset (buffered) | HG | 4th harmonic filter gain | RS | request status |
| AZ | analog zero | HP | 4th harmonic filter phase | RU | register upload |
| BD | brake disengage delay | HW | hand wheel | RV | revision level |
| BE | brake engage delay | IA | immediate analog | SA | save parameters |
| BO | brake output | IC | immediate current | SC | status code |
| BR | baud rate | ID | immediate distance | SD | set direction |
| BS | buffer status | IF | immediate format | SF | step filter frequency |
| CC | change current | IH | immediate high output | SH | seek home |
| CD | idle current delay time | IL | immediate low output | SI | enable input (en input) |
| CE | communication error | IO | output status | SJ | stop jogging |
| CF | anti-resonance filter frequency | IP | immediate position | SK | stop & kill buffer |
| CG | anti-resonance filter gain | IS | input status | SO | set output |
| CI | change idle current | IT | immediate temperature | SP | set position |
| CJ | commence jogging | IU | immediate voltage | SS | send string |
| CM | command mode | IV | immediate velocity | ST | stop |
| CS | change speed | JA | jog acceleration | TD | transmit delay |
| CT | continue | JC | velocity (oscillator) mode second speed | VC | change velocity |
| DA | define address | JD | jog disable | VE | velocity |
| DC | change distance | JE | jog enable | WI | wait for input |
| DE | deceleration rate | JL | jog decel | WT | wait time |
| DI | distance / position | JS | jog speed |
| AC | acceleration rate | FL | feed to length | MR | microstep resolution |
| AM | max acceleration | FM | feed to sensor with mask distance | PC | power on current |
| BR | baud rate | FO | feed to length and set output | PM | power on mode |
| BS | buffer status | FP | feed to position | PS | pause |
| CC | change current | FS | feed to sensor | RA | read analog |
| CI | change idle current | FY | feed to sensor with safety distance | RS | request status |
| CJ | commence jogging | HW | hand wheel | RV | revision level |
| CS | change jog speed | IA | immediate analog | SH | seek home |
| CT | continue | ID | immediate distance | SJ | stop jogging |
| DA | define address | IE | immediate encoder | SK | stop & kill buffer |
| DC | distance till change | IH | immediate high output | SO | set output |
| DE | deceleration rate | IL | immediate low output | SP | set position |
| DI | distance / position | IP | immediate position | SS | send string |
| DL | define limits | IS | input status | ST | stop |
| ED | encoder dead band | JA | jog acceleration | VC | change velocity |
| EF | encoder function | JD | jog disable | VE | velocity |
| EP | encoder position | JE | jog enable | WI | wait for input |
| ER | encoder ratio | JS | jog speed | WT | wait time |
| FC | feed to length with speed change | MD | motor disable | ||
| FD | feed to double sensor | ME | motor enable |
| AI | alarm input setting | IF | immediate format | KP | proportional gain |
| AL | alarm code read | IO | immediate output status read | KV | velocity feedback gain |
| AM | acceleration, maximum | ISX | input status, extended i/o | MO | motion output def |
| AO | alarm output def | IT | immediate temperature read | PF | position fault tolerance (1-32000) |
| AR | alarm reset(clear fault) | IU | immediate supply voltage read | PL | positioning limit |
| BD | brake delay(0-32000msec) | IV | immediate velocity read | PP | power up peak current |
| BO | brake output def | IX | immediate position error read | PT | positioning time |
| CM | control mode | KD | derivative gain | RE | reset |
| CP | current, peak | KF | velocity feed forward gain | SA | save all parameters to flash |
| DM | deceleration, maximum | KI | integral gain | SI | servo on input def |
| IC | immediate current read | KK | acceleration feed forward gain | VM | velocity, maximum |