3 configuration of the el232 xpcd – Rice Lake EL232 XPCD Explosion Proof Remote Serial Display User Manual

Page 21

Advertising
background image

Indicator Setup

17

3.3

Configuration of the EL232 XPCD

To configure the EL232 XPCD, you must know the following:

Baud rate

Indicator type

Data format - RS232 or 20 mA current loop

Once this information is known, it is entered through SW1, the eight-position DIP switch on the upper left hand
corner of the CPU board, shown below:

Figure 3-8. RS232 XPCD CPU Board

Enter the correct values from Table 3-2.

Refer to Table 3-3 on page 18 for specific switch
settings for applicable indicators.

The power must be off when these values are changed.
If the power is on, press the

Reset

switch on the CPU

board to enter the new values (see Figure 3-9).

Figure 3-9. Reset Switch Location

J1

GND

PRINT

K4

K3

K2

K1

+5V

CL4 IN-

CL4 IN+

CL3 IN-

CL3 IN+

CL2 IN-

CL2 IN+

CL1 IN-

CL1 IN+

CLO OUT

-

CLO OUT+

RS232 (-)

RS232 (+)

J2

GND

NEUTRAL

117 V

A

C

SW2

OPEN

1
2

3
4

OPEN

1

2

3

4

6

7

8

5

SW1

+5
+5
MOSI
SCK
PA7/LD
GND
GND

TxD
RxD
PB
PB6
PB5
PB4

RESET

1 2 3

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

MICROPROCESSOR

Baud Rate

Speed

SW1-1

SW1-2

1200

On

On

2400

Off

On

4800

On

Off

9600

Off Off

Table 3-2. Baud Rate Setting

J2

SW2

OPEN

1
2

3
4

GND

TxD
RxD
PB
PB6
PB5
PB4

RESET SWITCH

Advertising