User manual

20
Subject to change without notice
Interface conguration:
❙ 9600 baud
❙ 8 data bits
❙ 2 stop bits
❙ no hardware protocol
4.3 RS-232 Commands
The LISN interprets the following remote control
commands. Please consider the lower/upper case
letters.
Command Function Indication
R
Remote control
enabled
RM-LED
activated
O
Local control RM-LED
disabled
P
Protect. ground line
sim. circuit on
PE-LED
activated
p
Protect. ground line
sim. circuit off
(bypass)
PE-LED
disabled
N
EMC test signal of
line N
N-LED
activated
n
EMC test signal of
line L1
L1-LED
disabled
L
Transient limiter off OFF-LED
blinking
l
Transient limiter
activated
OFF-LED
disabled
All interface lines are galvanic coupled to the LISN.
RS-232 Commands