LEONI eol 1x2 User Manual

REV 07a / 01_ 2012
8
SERIAL INTERFACE
The RS232 interface allows to control the switch from your PC or laptop directly. The interface is
protected for short circuits by GND.
CABLE CONNECTIONS
eol 1x4
-
pin
code
Computer
DB-9 pin
Computer
DB-25 pin
2 GND 5 7
3 TxD 2 3
4 RxD 3 2
COMMANDS
All commands must be sent in ASCII code. A command is not executed until terminated by a carriage
return (ASCII decimal code 13) and a new line (ASCII decimal code 10).
COMMAND SUMMARY
command name
parameter
response
function
type? none
“eol1x4”
1
response of the switch type
firmware? none
“ver3.27”
response of the firmware version number
ch? none
“2”
indicates the current switch position
ch
“1”..”4”
2
none sets into the specified position
example: “ch3” -> enables channel 3
i2c? Actual i2c
adress
Response for the set i2c adress
i2c
“10”…”99”
Setting the i2c adress
Note:
1
response for eol1x2: “eol 1x2” and for eol 2x2: “eol 2x2”
2
for the eol1x2 and eol2x2 switch use “1” and “2”
SETTINGS
- 57600 Baud (standard)
- 8 data bit
- no parity
- 1 stop bit
SPECIFICATIO
NS
- T
out
= ±9V (typ.)
- R
in
= ±25V (max.)
- RS232 input threshold low = 1.3V (typ.)
- RS232 input threshold high = 1.8V(typ.)

LEONI eol 1x2 Specifications

General

Brand	LEONI
Model	eol 1x2
Category	Switch
Language	English