Siemens SITRANS RD500 Panduan Petunjuk Pengoperasian - Halaman 24

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Siemens SITRANS RD500 Panduan Petunjuk Pengoperasian
RD500 I/O Configuration
Any connected modules are automatically detected by the SITRANS RD500. Enter the
pertinent information for any device connected to the installed modules.
Module detection is carried out on power up, so removing old or inserting new modules
with the power on is only permissible with modules of the same type. If a module is
removed from its base, its configuration will be retained and written back to the module
when it is re-inserted. To completely remove a module, with the power off, you must
remove it along with its base. When inserting a new module, with the power off, insert it,
and then power up. The RD500 will detect the new module and the new module type will
now be available in the I/O configuration.
Process variables can be collected from the RD500's optional accessory modules, as well
as from Modbus RTU serial devices.
The I/O configuration screens allow the user to define the devices that are to be
monitored. The various modules are grouped by the type of input signal that they accept,
regardless of their physical position in the system.
From the Overview page, click Configure and then I/O to configure the I/O settings.
The upper left picture demonstrates a system that contains only a single 4-20 mA input
module. The upper right picture demonstrates a system contains two RTD (Resistance
Temperature Detector) input modules.
Note that the inputs are numbered sequentially by module, so for example, there are two
RTD modules for a total of 12 RTD inputs.

Analog Input Modules - 0 to 10 V and 0 (4) - 20 mA

The following describes how to create and define I/O channels for the DC current and
voltage input modules.
The Input Range property specifies the input type most suited for the sensor being
measured. This property is specific to the module, rather than to a given input.
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SITRANS RD500 – OPERATING INSTRUCTIONS
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