CesCom | LCD Industrial Message Display ...

CesCom | LCD Industrial Message Display Screen | CE0941

Supplier: Cescom Enterprises

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The CE0941 Industrial Message Display is a programmable message display for use with PLC contacts or MODBUS or just plain ASCII. Capable of displaying a message of two lines of 20 characters per line or dual 100 segment bargraphs.

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The CE0941 has no practical limit to the different messages that can be selected using a single relay or transistor output from a PLC.

Alternatively, the display can be directly addressed over RS-485 to display host specified messages or it can simply sniff RS-485 networks and extract current system messages transparently to the network. Equipped with RS232 and RS485 ports plus Hires VGA and TV outputs for enhanced displays are fitted as standard.

This is a character LCD display that is designed for industrial environments for use with PLC using MODBUS or other protocols. The unit is DIN mounted along with a neprene gasket through the front of the facia and clamped from behind with the supplied bracket. The front is fully sealed and can be used where powerful water jets are employed to clean equipment facias. This also makes it suitable for outdoor use as well with the LCD clearly readable in direct sunlight.

Multiple communications methods are possible using the RS232 and RS485 ports for direct connection to PLCs and PCs etc. The serial communications ports are fully programmable in standard and non-standard formats and baud-rates (0..2Mbit, 1..32 data bits etc).

A typical connection scheme would be to run a 4-core cable from the PLC carrying the 2-wire RS485 signal plus 24 volts for power which can be run hundreds of metres without requiring a local PSU.

The PLC can communicate directly with the display using the default MODBUS or customer specified protocol. Alternatively the display can passively monitor the bus and interpret and display appropriate messages. The monitor mode is useful for alarm and diagnostic messaging and includes a programmable high-current output that can be set to trip on user specified conditions.

VGA and TV outputs are built-in and are capable of 64 colors with a mix of hires text and lores graphics. Options include a programmable alarm output may be set to operate when the inputs reach a preset match condition. Various parameters governing the input range, brightness, alarm conditions etc. can be set via the RS-232 input.

Features

LCD backlit 20 character x 2 line (82mm x 18mm)
IP56 rated outdoor DIN metal enclosure – dust & water-jet protected
8..28VDC switchmode operation
MODBUS RTU and ASCII protocols standard (Active or Passive)
Independent RS-232 and RS-485 interfaces or PLC pulse input
Programmable OC alarm output
Bargraph mode display
EEPROM message memory
MicroSD memory option
Built-in VGA or TV video output up to 128 characters x 64 lines
Video giant character mode for distance viewing
P8X32A eight core 32-bit CPU
CE0039/LV100 backward compatible

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The CE0941 has no practical limit to the different messages that can be selected using a single relay or transistor output from a PLC.

A typical connection scheme would be to run a 4-core cable from the PLC carrying the 2-wire RS485 signal plus 24 volts for power which can be run hundreds of metres without requiring a local PSU.

Features