Pressure Systems 9022 Manual de usuario descargar pdf (Pagina 33)

www.meas-

spec.com

Measurement Specialties Inc. NetScanner System (9016, 9021, & 9022) User’s Manual

2 - 13

NOTE: The factory default setting for jumper JB1 is 10 VDC

Figure 2.5

9022 Jumper (JB1) Set For 10 VDC Excitation

2.3.8 Case Grounding

The 9016 and 9021/9022 modules contain a case bypass capacitor which allows the module case

to be mounted on hardware with a small common mode line voltage (less than 20 Volts).

2.3.9 Trigger Input Signal

Models 9016, 9021, and 9022 each support the use of a data acquisition synchronization signal,

sometimes called “Hardware Trigger.” When configured through the Define/Control Host

Stream (‘c’) command, the trigger signal can be used to initiate and synchronize data acquisition

and stream outputs to the host.

The trigger signal is intended to be a 2-wire differential signal brought in through the 9016, 9021,

or 9022 main electrical connector. The signal may be driven by a standard TTL compatible

device. The switching threshold for this signal is set at 2.5 VDC.

2.3.10 Power Up Checks and Self-Diagnostics

Upon power-up of the module, the internal firmware will perform a number of self-diagnostic

checks. The results of these tests are reflected by the ‘OK’ LED on the top panel. The 9016,

9021, and 9022 modules complete the power up and self diagnostics in approximately 30 seconds.

See Chapter 6, Troubleshooting Guide for additional information and potential problem areas

during the power-up sequence.

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 193 194

Sin comentarios

Pressure Systems 9022 Manual de usuario Pagina 33