Instruction Manual
Tek-LCD 7801C
www.tek-trol.com
Technology Solutions
7
NOTE
Check the device nameplate to ensure that the device is delivered according to
your order. Check for the correct supply voltage printed on the nameplate.
2
Product Description
2.1
Introduction
Tek-LCD 7801C NEMA 4X Panel Mount Multi-Channel Controller is both easy to use and satisfies a
wide variety of process display, alarm, and control applications. It accepts 4-20 mA inputs, flow
meter pulse inputs, digital inputs, and Modbus inputs and displays them both in numeric and bar
graph format on a large, 5.7" color display. It can be equipped with multiple relays with user-
definable actions, 4-20 mA outputs, digital outputs, Modbus RTU & ASCII, Modbus Enron, and
Ethernet Modbus TCP/IP protocol communication capabilities. Additionally, the controller is
equipped with up to 32 timers that can be used to control many processes or events.
Tek-LCD 7801C NEMA 4X Panel Mount Multi-Channel Controller takes full advantage of its color
display by allowing the user to customize screen colors for bar graphs, alarm conditions, and input
channels.
All this functionality is easily programmed using the free software or via the front panel
pushbuttons. Choose the model that best suits your application, from monitoring only to fully
loaded controllers with an extensive combination of inputs, outputs, and communication
protocols. The standard product offering is listed in the ordering guide and other models are
available for special order.
Fig 1: Tek
-LCD 7801C NEMA 4X Panel Mount Multi-Channel Controller