- PCME STACK 990 MANUAL: 17 -
Figure 3-5 PCME Stack 990 Sensor Unit
7 Contamination probe enable/disable
(shown enabled)
8 4-20mA and relay outputs (option)
9 Set comms switch (SW101)
10 Earth stud (cable screen)
11 Set address switch (SW100)
2 BUS IN(power and comms)
3 Bus termination switch (SW200)
4 Main probe enable/disable switch
(shown enabled)
5 Main probe