Table 6: Connectors; Table 7: Rs-485 Interface; Table 8: Serial Rs-485 Interface (J2) - Pin Assignments - Advantech ARMA-C250-CRM Installation And Operating Manual

Conn. Function
(J1) RF Input
(J2) Serial Interface
(J3) Discrete Interface
(J4) RF Output Monitor
(J5)
AC Line
(J6) Redundant Interface
(J7) RF Output
(J8) RF Input Monitor
Baud rate
Data Bits
Stop Bit
Parity
TABLE 8: SERIAL RS-485 INTERFACE (J2) – PIN ASSIGNMENTS
Name
TX485_H Serial port (output)
TX485_L Serial port (output return)
RX485_H Serial port (input)
RX485_L Serial port (input return)
RS485_C Serial port (common)
RS485_G Serial port (ground)

TABLE 6: CONNECTORS

Description
N - Type (F)
DE - 9S (F)
DB - 25S (F)
N - Type (F)
IEC - 320 (M)
standard sheets C-20
contact style 6.3 mm QD tabs
DA - 15S (F)
CPR - 137 (Grooved)
N - Type (F)

TABLE 7: RS-485 INTERFACE

Type Pin #
Mating Connector
9600 (default factory setting)
7
1
EVEN
Active condition
6 Serial transmit port, RS-485 TX + levels.
4 Serial transmit port, RS-485 TX - levels.
9 Serial receive port, RS-485 RX + levels.
3 Serial receive port, RS-485 RX - levels.
5 System common.
1 Shield ground / safety ground
ARMA-C250-CRM
N - Type (M)
DE - 9P (M)
DB - 25P (M)
N - Type (M)
IEC - 320 (F)
standard sheets C-19
(connector is provided)
DA - 15P (M)
CPR -1 37 (Flat)
N - Type (M)
18