GHM GREISINGER EASYLOG 80IMP Series, Инструкция по установке и эксплуатации

Страница: 16 / 16

E40.0.5X.6C-01 Operating Manual EASY
LOG
80IMP… page 16 of 16
12. Device options
Additional information’s for options of the EASY
LOG
80IMP/
…
12.1 ALARM
With the option „ALARM“ the device has an additional switching output (NPN) for
the alarm function of the device.
In result of the option there are following extensions:
Device connection:
Alarm output
assignment of jack
(view on pins)
GND NPN
Note to included alarm
connection cable:
GND: back + blue
NPN: brown + white
EASYBus
assignment of jack
(view on pins)
EASYBus
not used
Connection examples:
a.) General connection diagram for a relay (with self-induction recuperation diode):
b.) Connection information for GR 10, GNR 10 or GNR 232 A:
GND:
to be connected to terminal 11 of the GNR…
NPN:
to be connected to terminal 10 (or. 9) of the GNR...
Specification:
Alarm function:
alarm points selectable within the measuring range
and alarm delay adjustable from 0 to 500 min.
Alarm:
via display (AL.xx), interface communication and
alarm output (transistor is conducting at alarm fault)
Alarm output:
open-collector
max. switching power:
28 V / 50 mA
Attention: the alarm output is not electrically isolated
When bus operating of several data loggers with option ALARM a
electrical connection between the alarm outputs is not allowed!!
EASY
LOG
alarm output
NPN
GND
power supply
(max. 28V)
-Ub
+Ub