Teledyne HASTINGS 2002, Инструкция по эксплуатации, Страница: 3 / 49

page 3
Table of Contents
1.0 GENERAL INFORMATION .............................................................. 5
1.1 Features ................................................................................................................................ 5
1.2 Model 2002 Sensors ............................................................................................................. 5
1.3 Model 2002 Control Unit ...................................................................................................... 6
1.4 Specifications ........................................................................................................................ 6
2.0 INSTALLATION .................................................................................. 7
2.1 Receiving Inspection ............................................................................................................. 7
2.2 Quick Start............................................................................................................................ 7
2.3 Transducer Installation .......................................................................................................... 7
2.4 Control Unit Installation ........................................................................................................ 8
2.5 Initial Operation .................................................................................................................... 8
3.0 FRONT PANEL OPERATION ........................................................... 9
3.1 Overall Functional Description .............................................................................................. 9
3.2 RUN Mode ......................................................................................................................... 10
3.3 HI and LOW Set Point Modes............................................................................................ 11
3.4 CAL Mode ......................................................................................................................... 11
3.5 GAS Mode ......................................................................................................................... 13
3.6 UNITS Mode ..................................................................................................................... 14
4.0 REAR PANEL DESCRIPTION ....................................................... 1 5
4.1 Remote Zero Input ............................................................................................................ 15
4.2 Analog Output .................................................................................................................... 15
4.3 TTL Outputs ...................................................................................................................... 15
4.4 Power Entry Module........................................................................................................... 16
5.0 THEORY OF OPERATION ............................................................. 1 9
5.1 Piezoresistive Sensor ........................................................................................................... 19
5.2 Pirani Sensor ....................................................................................................................... 21
5.3 Dual Sensor Operation ....................................................................................................... 24
6.0 RS-232 OPTION BOARD................................................................ 2 7
6.1 RS-232-E Interface Specifications ....................................................................................... 27
6.2 Interface Connector Pin Assignments .................................................................................. 27
6.3 Operation of the Serial Interface ......................................................................................... 28
6.4 Installation of the RS-232 Board ......................................................................................... 31