GE VersaMax PLC User Manual page 64

64 GFK-1503E
For public disclosure
4.7.4 Port 2: RS-485
4.7.4.1 Pin Assignments for Port 2
Port 2 is an RS-485 port with a 15-pin female D-sub connector. This can be attached
directly to an RS-485 to RS-232 adapter.
Pin
Signal
1 SHLD
2, 3, 4 n/c
5 P5V
6 RTSA
7
GND
8 CTSB'
9 RT
10 RDA'
11 RDB'
12 SDA
13 SDB
14 RTSB
15 CTSA'
Shell SHLD
4.7.4.2 Connector and Cable Specifications for Port 2
Vendor Part numbers below are provided for reference only. Any part that meets the same
specification can be used.
Low Capacitance Computer cable, overall braid over foil shield
Cable:
5 Twisted-pairs
Belden 8105
Shield Drain Wire
30 Volt / 80°C (176°F)
24 AWG tinned copper, 7x32 stranding
Velocity of Propagation = 78%
Nominal Impedance = 100W
Type:
15 Pin Male
Crimp
Connector:
Solder
Direction Function
–
Cable Shield Drain wire connection
Output +5.1VDC to power external devices
(100mA max.)
Output Request to Send (A) output
–
0V/GND reference signal
Input Clear to Send (B) input
–
Resistor Termination (120 ohm) for RDA'
Input Receive Data (A) input
Input Receive Data (B) input
Output Transmit Data (A) output
Output Transmit Data (B) output
Output Request to Send (B) output
Input Clear to Send (A) input
–
Cable Shield wire connection / 100%
(Continuous) shielding cable shield
connection
†
†
†
Plug:
Vendor:
ITT/Cannon DAA15PK87F0
AMP 205206-1
ITT/Cannon ZDA15P
AMP 747908-2
VersaMax PLC User Manual
Pin:
030-2487-017
66506-9
–
–