Nordmann AT4 13064, Mounting Instructions

Page: 56 / 68

56
Connection of the remote terminal (Option RP)
The optional remote terminal is to be connected via a four­wire cable to the
corresponding contacts of terminal block X15 on the power board of one
of the humidifiers.
Addtional humidifiers (max. 8) to be remote controlled are connected in
series via the contacts “D+” und “D–” of terminal block X15 to the humidifier
connected to the remote terminal using a two­wire cable.
The maximun cable length between the units is 50 m. Cable section 0.5 mm
2
.
The termination of the remote terminal bus is established via the jumpers
JP1, JP4 and JP5 on the power boards of the remote terminal and the con­
nected humidifiers (see table below).
Jumper settings for operation with optional remote terminal
Jumper Function Remote terminal Unit(s)
in between
Last unit in
the chain
JP1 120Ω end resistor X X
JP4 Pull up resistor X
JP5 Pull down resistor X
LINK UP
EXTERNAL
CON.
CURRENT SENSOR F4
315mAT
from contactor to cylinder
AT4
ext.
REMOTE
D+ D– GND 5V 24V
X15
Unit 2 Unit 3 Last Unit
D+ D–GND 5V 24V
X15
D+ D–GND 5V 24V
X15
D+ D–GND 5V 24V
X15
JP1 JP4 JP5 JP1 JP4 JP5 JP1 JP4 JP5
Remote Terminal
D+ D–GND 5V 24V
X15
JP1 JP4 JP5
JP1 JP4 JP5