Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer - Manual (Page 103)

IM 12D08B02-01E
Appendix 3-15
3/3
QIS 12D08B02-71E
3.5 Profibus Communication Functional Check
Check for normal function using Profibus equipment specified by Yokogawa.
In the tests of Item 3.3 to 3.4, check the communication function using Profibus communication.
SC202
G 11 12 13
Decade
Resistance
Box 1
Profibus Equipment Specified by Yokogawa
C R
C R
SUPPLY TEMP
14 16 15
Decade
Resistance
Box 2
+ –
R=50 １ Ω± Ω
C=2μF±0.4μF
+
–
DA/PA Coupler
DC
Source
24VDC
Figure 1 Testing Circuit and Test Equipment