KROHNE OPTISONIC 3400 EN - Manual (Page 31)

ELECTRICAL CONNECTIONS
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OPTISONIC 3400
www.krohne.com 11/2013 - 4002037702 - HB OPTISONIC 3400 -en-R02
4.5 Inputs and outputs, overview
4.5.1 Combinations of the inputs/outputs (I/Os)
This signal converter is available with various input/output combinations.
Basic version
• Has 1 current output, 1 pulse output and 2 status outputs / limit switches.
• The pulse output can be set as status output/limit switch and one of the status outputs as a
control input.
Ex i version
• Depending on the task, the device can be configured with various output modules.
• Current outputs can be active or passive.
• Optionally available also with Foundation Fieldbus and Profibus PA
Modular version
• Depending on the task, the device can be configured with various output modules.
Bus systems
• The device allows intrinsically safe and non intrinsically safe bus interfaces in combination
with additional modules.
• For connection and operation of bus systems, please note the separate documentation.
Ex option
• For hazardous areas, all of the input/output variants for the housing designs C and F with
terminal compartment in the Ex d (pressure-resistant casing) or Ex e (increased safety)
versions can be delivered.
• Please refer to the separate instructions for connection and operation of the Ex-devices.