Rice Lake RD-300 Remote Display - Manual (Page 15)

Installation 13
2.5 Powering up With the RD-300/RD-232
Make sure all wiring is per the manual and is properly terminated.
APPLY POWER-
The RD-300/RD-232 enters the power on clear mode. All status switches are read at this time and the unit is
configured for baud rate, indicator type, and input signal type. The RD-300/RD-232 display goes through a
power up sequence which provides valuable information about the operating condition and setup.
LAMP TEST-
The first display during power on clear is a lamp test. This test lights all display segments and decimal points.
If the display is too bright, adjust the multi-turn pots located on the RD-232 CPU board (see below). The RD-232
Figure 2-8. RD-232 Trim Adjusting Pot Location
remote display has two, 20K - 10 turn pots to adjust the intensity of the LED displays. The pots are located on the
backside or component side of the display board located to the top outside of the circuit board. The pot to the
right side adjusts the intensity of the three displays on the right side of the display board. The pot on the left side
adjusts the intensity of the three displays on the left side of the display board.
Note: If the display intensity is adjusted to high, it will cause the micro’s voltage and current to drop causing the remote to
continually cycle it’s power-up sequence. To correct this, turn the pots counter clockwise about half the adjustment or five turns.
Repeat this adjustment on both pots to balance the display intensity.
PRODUCT SOFTWARE ID-
The unit should show rd 300 .
SOFTWARE REVISION NUMBER-
Next the software revision number, rev 2.1 is displayed.
CURRENT BAUD RATE SETTING-
The RD-300/RD-232 next shows the current baud rate setting it has read from switch SW1. The display will
show
baud 3 , for 300 baud, baud 6 , for 600 baud, baud12 , for 1200 baud, baud24 , for 2400 baud, baud48 , for 4800
baud, or baud96 , for 9600 baud, baud19 , for 19,200 baud, or baud38 , for 38,400 baud.
INDICATOR TYPE-
The RD-300/RD-232 will show the indicator type you have chosen through SW1. This is displayed as Ind 0
through Ind 15 .
INDICATOR INTERFACE TYPE -
The RD-300/RD-232 shows either, C loop or rs 232 .
DISPLAY ON LOSS OF SIGNAL -
The RD-300/RD-232 shows either, no sig for no signal, or las da for the last valid data received.
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Trim adjust pots
by using a small
screwdriver to
turn.