Connect The Optional Digital Communication Output; Plumb The Sample And Drain Lines - Hach 9586sc Manual Básico Del Usuario

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4. Make connections with twisted-pair shielded wire and connect the shield at the controlled
component end or at the control loop end.
• Do not connect the shield at both ends of the cable.
• Use of non-shielded cable may result in radio frequency emission or susceptibility levels higher
than allowed.
• Maximum loop resistance is 500 ohm.
5. Close the controller cover and tighten the cover screws.
6. Configure outputs in the controller.
Figure 3 Analog output connections

Connect the optional digital communication output

The manufacturer supports Modbus RS485, Modbus RS232, Profibus DPV1 and HART
communication protocols. The optional digital output module is installed in the location indicated by
item 4 in
Figure 2
on page 9. Refer to the instructions supplied with the network module for more
details.
For information about Modbus registers, go to
and search Modbus registers or go to any sc200 product page.

Plumb the sample and drain lines

Connect the sample and drain lines to the fittings on the back of the panel.
1. Connect the sample line to the inlet 4/6-mm OD tube fitting.
2. Connect a drain line to the drain 6/8-mm OD tube fitting. Keep the drain line as short as possible
at atmospheric pressure.
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