Automation Direct C-more EA1-T4CL Hardware User Manual page 119

RS-422A Multi-Drop Wiring Diagram Example(cont' d )
(Slave)
Shielded Cable
15-pin
HD D-sub
8 = do not use (male)
15 = CTS–
7 = Sig GND
14 = CTS+
15
6 = RXD–
13 = RXD+
5 = do not use
12 = RTS-
4 = do not use
11 = RTS+
3 = do not use
10 = TXD–
1 6
2 = do not use
9 = TXD+
1 = do not use
HD = High Density
RXD+
RXD
TXD+
TXD
Signal GND
Typical RS-422 Multi-Drop Wiring Diagram (cont'd)
® ® ®
DirectLOGIC
DL06 PLC
Port 2
Cable Adapter
ZL CMA15L
RXD
(ZL CMA15L shown)
TXD
RS42 /4 5 23
When connecting to a DirectLogic PLC
use connector ZL-CMA15L or ZL-CMA15
Notes: 1. We recommend Belden 8103 shielded cable or equivalent.
2. Wiring Diagram for this example, ZL-CMA15(L), on page 6-27
To DL06 PLC port 2
7 10 9 6 13 11 14 12 15
Signal GND
shield
EA1-TCL-M Hardware User Manual, 2nd Ed., 10/10
Chapter 6: PLC Communications
C-more
6" Micro-Graphic
Panel
with
EA-COMCON-3
Shielded Cable
EA COMCON 3
15-pin
D-sub
8 = do not use 15 = do not use
(male)
7 = do not use 14 = do not use
15
6 = do not use 13 = Termination
5 = Logic GND 12 = SD– (RS422)
4 = do not use 11 = SD+ (RS422)
3 = do not use 10 = RD– (RS422)
2 = do not use 9 = RD+ (RS422)
1
1 = Frame GND
RXD+
RXD
TXD+
TXD
Termination resistors required at both ends of the
*
network receive data signals to match the impedance
of the cable (between 100 and 500 ohms). Jumper pin
13 to 9 on the C-more 6" Micro-Graphic Serial Port2
15-pin connector to place the 120
into the network. If the cable impedance is different,
then use an external resistor matched to the cable
Port2
(Master)
To C-more Micro-Graphic
Serial Port2
*
5 10 9 12 11 13 1
shield
internal resistor
6–37
6