Teledyne T100 Manuale Utente

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Remote Operation of the Analyzer 
Teledyne API - T100 UV Fluorescence SO2 Analyzer  
176 
 
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STATUS 
    1     2     3     4     5     6     7     8     D         
+
 
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IC MODE
 
Figure 8-1: Status Output Connector 
Table 8-1: Status Output Pin Assignments 
CONNECTOR PIN 
STATUS 
CONDITION (ON=CONDUCTING) 
System Ok 
ON if no faults are present. 
Conc Valid 
ON if concentration measurement is valid, OFF when invalid. 
High Range 
ON if unit is in high range of any AUTO range mode. 
Zero Cal 
ON whenever the instrument is in ZERO calibration mode. 
Span Cal 
ON whenever the instrument is in SPAN calibration mode. 
Diag Mode 
ON whenever the instrument is in DIAGNOSTIC mode. 
7-8 
 Unused 
Emitter Bus 
The emitters of the transistors on pins 1-8 are bussed together. For most 
applications, this pin should be connected to the circuit ground of the 
receiving device. 
Dc Power 
+ 5 VDC source, 30 mA maximum (combined rating with Control Inputs) 
 
Digital Ground 
The ground from the analyzer’s internal, 5/±15 VDC power supply. 
8.1.2. CONTROL INPUTS 
Control inputs allow the user to remotely initiate ZERO and SPAN calibration modes 
are provided through a 10-pin connector labeled CONTROL IN on the analyzer’s rear 
panel. These are opto-isolated, digital inputs that are activated when a 5 VDC signal 
from the “U” pin is connected to the respective input pin. 
06807C DCN6650