What is a Blue Series OIT?
The Blue Series OITs by Maple Systems are graphics operator interfaces designed to connect to PLCs in an industrial
environment. The 3.0” LCD displays are backlit and have a resolution of 128x64 pixels. The membrane-style keypad is
composed of five function keys (ten with the
SHIFT
key) and control keys to facilitate entering data. The Blue Series has a
built-in clock for displaying time/date and sending this data to the PLC.
LED Indicator
Purpose
ALARM LED (red)
indicates alarm conditions by the PLC
The Blue Series OIT has two serial ports that provide a connection to a PLC using RS-232, RS-422 or
two wire RS-485. The RS-232 serial port is also used to configure the BLU300.
The Blue Series is powered using +24VDC. Local setup menu allows adjustment of the LCD contrast, a back light saver,
adjustment of the internal clock, and silencing the internal buzzer.
There is currently one model in the Blue Series.
Model
Display
Size
Resolution
LCD Type
Keys
Clock
BLU300M
3.0”
128 x 64
STN LCD with
green LED back
light
5 function keys
(10 with Shift)
Built-in with field-replaceable
battery
Finally, the Blue Series is powered by a 25 MHz, 16-bit microprocessor with 256K Byte of flash memory and 32K Byte of
RAM. The Blue Series is designed for industrial environments and carries a NEMA 4 rating as well as CE compliance for
noise immunity and emissions. It is UL listed.
1010-0300, Rev 02
4
Blue Series Installation & Operation Manual
Front View
Back View
BLU300M
Содержание BLU300 Series
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