Serial Communications; Rs-485/422 Serial Communications - Rice Lake LaserLight3 Series Technical Manual
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Also See for LaserLight3 Series:
- Technical manual (140 pages) ,
- Installation setup and maintenance (12 pages) ,
- Quick reference manual (8 pages)
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2.6.3
RS-232 Serial Communications
The J3 connector
(Section 2.7 on page
Two RS-232 ports are available. See
2.6.4
RS-485/422 Serial Communications
The J4 connector
(Section 2.7 on page
Both full duplex (four-wire) and half duplex (two-wire) are supported through the J4 connector. See
assignments for the J4 connector.
21) is intended to provide a connection point for the RS-232 serial communications.
Figure 2-11
for the pin assignments for the J3 connector.
Connector
Figure 2-11. CPU Board RS-232 Connector (J3)
21) is intended to provide a connection point for the RS-485/422 serial communications.
Connector
J4
Figure 2-12. CPU Board RS-485/422 Connector (J4)
Pin
RS232-1
J3
1
GND
2
RX1
3
TX1
4
5
6
Pin
4-Wire (Full Duplex) 2-Wire (Half Duplex)
1
GND
2
RX- (B)
3
RX+ (A)
4
TX- (Z)
5
TX+ (Y)
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Installation
RS232-2
–
–
–
–
GND
–
RX2
–
TX2
Figure 2-12
for the pin
GND
–
–
TX / RX-
TX / RX+
17
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