1.5.8 Communications
Communication between the instrument and either a data logger, laptop or network can be performed
with the following communication connections located on the back panel (refer to Figure 11). These
connections can be used for downloading data, onsite diagnostics, maintenance and firmware
upgrades.
Figure 11 – Communication Connections
RS232 #1
This port is designed to be used for simple RS232 communication.
RS232 #2
This port is designed to be used for simple RS232 communication or in multidrop configuration.
USB
This port can be used for instrument communications with equipment through a standard USB port.
TCP/IP (optional)
This port is best used for remote access and real-time access to instruments when a network is
available to connect with.
Analog & Digital I/O
The analog/digital port sends and receives analog/digital signals to and from other devices. These
signals are commonly used to activate gas calibrators or for warning alarms.
Analog Outputs
The instrument is equipped with three user definable analog outputs. The outputs are menu selectable
as voltage output 0 - 5, 0.25 - 5 or 0.5 - 5 VDC or current output 0 - 20, 2 - 20 or 4 - 20 mA. The current
output can also be configured as a voltage output of 0 - 10 V, by configuring the jumpers (JP3) on the
rear panel PCA.
Refer to Section 4.4 for more detail.
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