Table 1-1: Intended Purpose Depending On The Operating Mode - Addi-Data ADDICOM APCI-7300 Technical Description

Intended purpose of the board

Table 1-1: Intended purpose depending on the operating mode

1
Module Operating
mode
PM232
RS232
MX232
PM232-G
RS232
MX232-G
20 mA
PMTTY
Current
MXTTY
loop
PM422 RS422
MX422
RS422
PM422-G
MX422-G
RS485
PM485
MX485
RS485
PM485-G
MX485-G
1
PMxxx-G: ex. PM232-G: module for the mode RS 232 with option G (optical isolation)
PMTTY: module for the mode 20 mA current loop. It is optically isolated as a standard.
2
The max. lengths are for standard interface cables
10
Port
configuration
modem control signals connected
on the board (through ADDIREG)
or externally to the connector
modem control signals connected
on the board (through ADDIREG)
or externally to the connector
current flows in rest state
automatic transmitter control
transmitter control
DTR, RTS or data bit
automatic transmitter control
transmitter control
DTR, RTS or data bit
Distance between
transmitter and
2
receiver
30 m industry
noisy
30 m industrial
environment
1 km very noisy
industrial
environment
1.2 km noisy industrial
environment
1.2 km very noisy
industrial
environment
200 m industry
1.2 km noisy industrial
environment
200 m industry
1.2 km very noisy
industrial
environment
APCI-7xxx
Environment