Hach-Lange Sigma SD900 Portable - Manual (Page 33)

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Installation
3.5.2 Flow meter installation
The sampler can be connected to a flow meter to start or stop
sampling based on the flow volume.
Prerequisites:
• Multi-purpose full cable for Sigma flow meters (or 980 half
cable for the model 980 flow meter). To connect to another
brand of flow meter, use a multi-purpose half cable and follow
the wiring instructions in
Appendix A on page 75 .
• Optional splitter ( Figure 15 ) to provide additional connections.
Two or more splitters may be connected in series.
Note: See Accessories on page 70 for ordering information.
Installation procedure:
1. Connect one end of the cable to the flow meter. For connection
to the model 980 flow meter, follow the instructions in the model
980 user manual.
2. Connect the other end of the cable to the controller.
Note: For connection to a flow meter with an existing 6-pin cable, use
the auxiliary adapter cable (6-pin to 7-pin adapter)
3.5.3 Communications installation
The sampler can be connected to a PC or Modbus device for data
transfer or programming.
Prerequisites:
• Serial cable ( Figure 16 )
Note: See Accessories on page 70 for ordering information.
Installation procedure:
1. Connect one end of the cable to the PC or Modbus device.
2. Connect the other end of the cable to the controller. The pin
assignments for the serial cable are detailed in Table 1 .
Figure 15 Splitter