Atest Gaz PW-033-B, User Manual

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2.5 Polarity of communication lines
SBUS and ExBUS communication ports are sensitive to polarity of transmission line. To configure the desired
polarity it is necessary to gently open a lid that secures contacts of SBUS and ExBUS ports and insert
jumpers into appropriate sockets of uncovered terminals. Settings are explained in the table below:
Setting of jumpers Operation Schematic diagram
Polarity of SBUS and ExBUS ports inactive
Polarity of SBUS and ExBUS ports active
Table 6: Configuration of polarity for SBUS and ExBUS ports
3 User interface
3.1 Front panel
Figure 10: Sigma MOD LCD front panel
s. 15|40
User Manual: POD-003-ENG R04
A
B
+5V
A
B
5,6kΩ
5,6kΩ
5,6kΩ
FAILURE OK
1
2
ALARM
1 2 3 4
3
2
5
1
4
K12 Pomp-H2
12.6 %LEL _▄█__
FAILURE
MEAS.
Figure 9: Jumpers to set polarity of SBUS and ExBUS ports, available after removing of the protection lid
SBUS port
Jumpers for polarity
of ExBUS port
ExBUS port
Jumpers for polarity
of SBUS port