Quantum-composers Motorized Attenuator Manuel d'utilisateur

Motorized Attenuator Operating Manual Version 0.4 Quantum Composers, Inc. 212 Discovery Drive Bozeman, MT 59718 Phone: (406)582-0227 Fax: (406)58

1 Table of Contents 2 Introduction ...

4 Electrical Connections The motorized attenuator module requires two input voltages to be applied for operation: +5VDC @ 100mA. +12VDC @ 500mA.

5 Software Operation A simplified software interface (GUI) is provided to allow for quick setup and operation of the module. The software will run

6 Command Set The motorized attenuator communicates via a standard RS232 connection. The default communication settings are 57,600 baud, 8 data bits

Parameters (optional field) Some commands may have parameters which immediately follow the command string. Multiple parameters are separated by commas

terminated with a <CR>. If a query command is not recognized by the device, then a "?0" is returned. Common Commands All devices are r

SH? Returns the current shutter state. SS? System Status. Returns status of system as 2-digit ASCII hex value. Note that M (modules) Busy indicate

Extinction Ratio 22dB min (150:1) min Purity Residual Energy < 0.25% Range 0 to Tmax, linearized, normalized Resolution 0.2% nominal Ta