PULPO user manual
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PULPO User manual rev.   1.0

Nicolas Haddad

Table of contents Hardware description User interface Hardware interfacing PULPO startup sequence Preparing PULPO for operation Annex

PULPO

Introduction

• Read up to six temperature sensors (4 leads PT100)
• Control 3 heaters (up to 7 watts over 75 ohms each), using a digital PID algorithm
• Read out full range vacuum sensor Balzer model PKR 250
• Provide versatile control alternatives for various type of instrument shutter (IRIS, SESO, EMMI, SUSI II, etc.)
• Provide current to a light source (LED) through a 12 bits DAC controlled current source (0 to 20 mA) for CCD testing
• Issue alarms signal, either via internal buzzer or relay connected to telephone dialler, in case of sensors values out of limits
• Communicate with host computer through RS232 serial port
• Display information via front panel liquid crystal display (LCD)
• Accept operational mode modifications through front panel key pads
• Log sensor values on internal RAM for later recovery through RS232 link

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