3 Function and System Design
Fieldgate FXA520
18
Hauser
3.5.4 HART Multidrop
The FXN520 multidrop module allows up to 2x eight HART devices operating in a non-hazardous
area to be connected to the Fieldgate. The devices can be parametrized locally with FieldCare or a
service tool.
Fig. 3-10: System architecture for FXN520 HART multidrop module
3.5.5 Fieldgate Input modules (analog/digital)
The FXZ520 analog/digital input module can be used to connect up to 7x four 4...20 mA devices
and/or limit switches, i.e. a total of 28 measuring points. In addition two 4...20 mA or HART
devices can be connected to the fieldgate itself, giving 30 measuring points in total.
Fig. 3-11: System architecture for FXZ520 analog and digital input modules
FXN520
Multidrop
Connector
Fieldgate
FXA520
.
Analog
Ethernet
GSM
Web browser
FieldCare
HTTP script
…
up to 8 devices
device address: 08 … … 03 02 01
channel 1
channel 2
WWW
supply
voltage
24 V
up to 8 devices
Analog
Ethernet
GSM
WWW
FXA520
FXZ520
Analog
AI1..AI4
Web-Browser
Fieldgate Viewer
…
FXZ520
Analog
PSU
PSU
PSU
PSU
FXZ520
Digital
FXZ520 Digital
FXZ520 Digital
. . .
#1
#2
#7
DI1..DI4
PSU
PSU
PSU
PSU
RS-485
PSU = power supply unit
Summary of Contents for Fieldgate FXA520
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