Data Sheet

M5S-CX.485.03.E3, M5S-CX.485.05.E3
Description Internal circuit External circuit
Version Signal Supply Isolation Signal Supply
RS485
communication module
non-isolated
CX.485.03 0-3.3 V TTL 3.3 V/5 mA DC No 5 V
differential voltage
RS485 interface
Via internal
supply
CX.485.05 0-5 V TTL 5 V/5 mA DC
EXT-RXTX−
INT+ INT-TX
EXT−
INT−
U
U
INT
5 V
MCU
M5S-CX48505E3
1
2 3 4
5
6
7
8
INT-RX
EXT-RXTX+
RS485+
RS485−
GND
DIRECTION
+ −
M5S-CX.485.03.E4, M5S-CX.485.05.E4
Description Internal circuit External circuit
Version Signal Supply Isolation Signal Supply
RS485
communication module
isolated
CX.485.03 0-3.3 V TTL 3.3 V/5 mA DC Yes 5 V
differential voltage
RS485 interface
5 V/ 8 mA DC
CX.485.05 0-5 V TTL 5 V/5 mA DC
EXT-RXTX −
INT+ INT-TX
EXT−
INT−
U
U
INT
5 V
MCU
1
2 3 4
5
6
7
8
INT-RX
EXT-RXTX+
RS485+
RS485−
GND
EXT+
5 V
M5S-CX48505E4
+ −
Rev-2019-08 Page 17 of 20 www.tde-instruments.de