5 Installation
5.1 Safety precautions
Danger due to electric current
•
Work on electric components may only be carried out by trained electricians or by
persons instructed in electricity under the supervision of an electrician in accordance
with electrical engineering regulations.
•
It is forbidden to carry out work on electrically live parts.
5.2 Connection terminal type A-G-247NW for service
If necessary an external terminal can be connected. This can be e.g. necessary to adapt
the pre-setting during start-up.
The connection is made at the terminals: A (D+), B (D-) and GND. E. g. by a 4-wire
telephone cable type: J-Y (St) Y 2x2x0.6 (or similar), maximum cable length
approx.250 m.
AM-MODBUS
B
(D-)
GND
A
(D+)
B
(D-)
fout
GND
GND
A
(D+)
A-G-247NW
+ 3,3 V
IRDA-RXD
IRDA-TXD
IRDA-SD
A
(D+)
B
(D-)
GND
+ 5 V
13.12.2018
v_modbus_link_terminal.vsd
ID1
ID2
The voltage supply of the terminal is made by the accumulators inserted there or the
plug power supply unit.
Quick Start Guide
AM-MODBUS-WB
Installation
L-BAL-E281-GB 2021/36 Index 004
Part.-No.
13/28
