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Proton Products InteliSENS DG2030 Diameter Gauge Instruction Manual (Issue 1a)
RS-422
/
RS-485
C
OMMUNICATIONS
This RS-422 / RS-485 interface is fitted as standard. It operates independently of the other
communications interfaces and may be accessed at the same time as them.
RS-422 / RS-485 interface
The RS-422 / RS-485 interface may be accessed through the “RS232/485” connector.
Connector type: DB9 female (socket)
Pin
RS-422
Designation
Comment
RS-485 two wire operation
Link
Link
Designation
1
RS422_A
A+
4
RS422_B
B-
5
GND_R
GND
6
RS422_Y
9
RS422_Z
S
Shield
Ensure that the cable shield is connected to this
via the plug shield connection.
Shield
The four-wire RS-422 interface may be converted to two-wire RS-485 operation by installation of the 2
shorting links shown above.
E
THERNET COMMUNICATIONS
This Ethernet interface is fitted as standard. It operates independently of the other communications
interfaces and may be accessed at the same time as them.
Ethernet interface
The Ethernet interface may be accessed through the RJ45 connector.
Connector type: RJ45 8P8C female (socket)
Pin Designation
Comments
1
LAN TX+
2
LAN TX-
3
LAN RX+
6
LAN RX-
S
Shield
Ensure that the cable shield is connected to this via the plug shield connection.
