Xylem H-3551 - Manual (Page 9)

H-3551
Installation 2-3
H-355
H-350
Data Collection Platform/
Data Logger
Gas Purge Line Orifice
60 Bubbles
Per Minute
RS-485
Pressure Line to H-350
SDI-12 or RS-232
Figure 2-2. H-355/350 Pressure Measurement System
2.4 Control Connector
Pin No. Description Wire Color
1 RS485DAT+ Black
2 RS-485DAT- Brown
3 GND Red
4 GND Orange
5 +12V Yellow
6 +12V Green
7 +12V
8 SD-12 Data
9 Gnd
2.5 Connecting a W ATER LOG ® Series Model H-350XL Pressure Sensor
Figure 2-2 shows a typical installation of a complete pressure measurement system.
Control Connector &
Pump Power Terminals