2.13 I/O Setup Menu
Note:
Have setup and adjustments of the Decision-Maker
®
3500 controller performed only by an authorized Kohler distributor/dealer.
There is a lot of setup information that can be accessed on this screen, but the parameters should be adjusted only during
commissioning.
Analog and Digital Input Setup
There are three types of inputs setups:
1. Analog Resistive
2. Analog Differential (used in paralleling applications)
3. Digital
Note:
Analog = a sender, variable-resistant device.
Digital = a switch with contacts.
The I/O Setup Menu displays the setup of digital and analog warning and shutdown inputs. These inputs provide choices for
configuring customized auxiliary inputs.
The user must enable the programming mode to edit the display. See the Menu Displays section for changeable settings in this
menu.
Descriptions. Descriptions for user inputs (auxiliary analog or auxiliary digital) may be entered using the SiteTech™ software
accessory where the user determines the descriptions.
Enabled. This menu indicates whether or not the input is enabled. If the input is not enabled, the controller will ignore this input
signal.
Analog inputs have separate warning and shutdown enabled choices.
Inhibit Time Delay. The inhibit time delay is the time period following crank disconnect during which the generator set stabilizes
and the controller does not detect the fault or status event. The controller will ignore the input until the inhibit time expires. If the
inhibit time is set to zero, the input is monitored at all times, even when the generator set is not running. The inhibit time delay
range is from 0 to 60 seconds.
Time Delay (shutdown or warning). The time delay follows the inhibit time delay. The time delay is the time period between
when the controller first detects the fault or status event and the controller warning or shutdown lamp illuminates. The delay
prevents any nuisance alarms. The time delay range is from 0 to 60 seconds.
Additional Analog Input Entries. The analog input selection typically requires entering four values—low warning, high warning,
low shutdown, and high shutdown.
Digital Output and Relay Driver Output Setup
The I/O Setup Menu displays the setup of digital status and fault outputs and relay driver outputs (RDO). These RDO outputs
provide choices for configuring customized auxiliary outputs. Additional individual outputs are available for monitoring,
diagnostics, and control functions. See Optional Dry Contact Kit following.
The user must enable the programming mode to edit the display. See the Menu Displays section for changeable settings in this
menu.
Note:
Changes to the Digital Outputs description requires the use of SiteTech
™
software. The digital output can either open or close
the circuit to activate.
Optional Dry Contact Kit
Dry contact kits provide an isolated interconnection between the generator set controller and optional devices. Up to fourteen
conditions can be specifically identified with this kit.
A relay coil will be energized when the corresponding engine or generator sensing device or switch monitored by the
microprocessor control board is activated.
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