GW PL ETH/…BUS
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PHOENIX CONTACT 3433_en_C
2.4 GW PL DIO4-BUS
The GW PL DIO4-BUS is a four-channel digital input/output expansion module. The module
can manage inputs that sense the level or status of motors, valves, and other equipment, as
well as outputs for on/off, high/low, and open/close status of motors, pumps, valves,
heaters, fans, and other industrial equipment. Connected to different fieldbus-specific
modules, the GW PL DIO4-BUS can extend any network with digital I/O capabilities.
Figure 2-12 GW PL DIO4-BUS structure
2.4.1 Connections
Digital input
Connect any digital input field devices according to Figure 2-13.
Figure 2-13 Typical digital input connection
+1
-1
B1
A1
+2
-2
B2
A2
OUT
IN
B
B
B
A
A
A
-
-
-
+
+
+
B
A-+
GW PL DIO4-BUS
1111
2
2
2
2
3
3
3
3
44
4
4
CH1
CH2
CH3
CH4
1
2
6
3
4
5
Table 2-5 GW PL DIO4-BUS structure
Item Function
1 Channel 1 connector
2 Channel 2 connector
3 Channel 3 connector
4 Channel 4 connector
5 Status LEDs (two per channel)
6 BUS connector
-
+
0…30 V DC
GND
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