Connector board connections Table 3-1:
Connections Description
S+ Signal input positive terminal connection
S- Signal input negative terminal connection
COM DC power supply input return/negative, reset contact closure common
RST Contact closure reset pull-up to 1.8 VDC
P+ DC Power positive terminal connection
LP+ 4-20 mA transmitter DC power positive terminal connection
LP- 4-20 mA transmitter regulated current output terminal connection
OC1+ Open collector output 1 positive terminal
OC1- Open collector output 1 negative terminal
OC2+ Open collector output 2 positive terminal
OC2- Open collector output 2 negative terminal
3.2 Input signal connections
Signal connections are made to a barrier terminal mounted in the base of the enclosure.
Input level and type are configured using the slide switches on the bottom of the display
module as shown in the lower right side of the following figures.
Flowmeter powered by external supply (Active)Figure 3-2:
Product connections
16 LTM Internal Display
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