User guide and technical documentation
Page
7
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29
2.3.2
Connector description
Terminal label
Meaning
+24V
Positive pole of power supply
GND
Negative pole of power supply
DI
Digital input
DIGND
Digital input common terminal – negative pole
DO
Digital output
DOGND
Digital output common terminal – negative pole
RO
Relay output
COM
Common relay terminal
AI
Analog input
AIS
Power supply of the relevant AI (see chapters 2.4.7,
2.4.8.2)
AOR
Analog output (voltage or current) / resistance measurement (see chapter 2.4.8.1)
AOV
Analog output (voltage only, see chapter 2.4.8.2)
AGND
Analog input/output common terminal - negative pole
RS485-A/RS485-B RS-485 communication line terminals
RS485-END
Connectable terminating resistor of RS-485 communication line
RS232-TXD/RXD
RS-232 communication line terminals
2.4
Installation
2.4.1
Mounting/Demounting
All units of the Patron product line are structurally designed for mounting on a TH 35 mm DIN rail according
to EN 60715.
2.4.1.1
Mounting
Danger:
Prior to mounting, make sure that the environment is disconnected from all power sources. There is a danger
of electrical injury.
If the holder for DIN rail is not installed, it must be mounted first with the supplied screws so that the spring
is towards the top of the unit.
DIN holder installation: