Basler Electric DECS-250N - Manual (Page 181)

9440500990 Rev D 165
DECS-250N Communication
Figure 139. Typical RS-485 Connections
RS-485 port communication settings are illustrated in Figure 140 and consist of the baud rate A , number of
bits per character B , parity C , and the number of stop bits D .
Figure 140. RS-485 Port Communication Settings
A Baud Rate: Select 1200, 2400, 4800, 9600, 19200, 38400, 57600, or 115200.
B Bits Per Char: Select 7 or 8 bits/character.
C Parity: Select Even, Odd, or No parity.
D Stop Bits: Select 1 or 2 stop bits.
Ethernet Port
An Ethernet port uses the Modbus/TCP protocol for polled communication with other networked devices
or remote annunciation and control with an IDP-800 Interactive Display Panel.
P
0
0
7
1
-3
4
22
6
4
A
B
C
TO DECS-250N
TO RS-422/RS-485
DB-37 FEMALE
19
24
C
B
A
A
B
C
4000 ft
1219.2 m
maximum
DECS-250N
RS485
R
t
t
R
R = Optional terminating resistor
120 ohms, typical
t
DECS-250N
RS485
DECS-250N
RS485