Logic IO RTCU NX-900 Technical Manual page 12

RTCU NX-900 Technical Manual V1.01
Advanced M2M/IIoT Gateway
Stacked terminal overview
Terminal Name
TOP row BOT row
R1A
R1B
R2A
R2B
R3A
R3B
R4A
R4B
N.C
N.C
DCIN
XGND
DCOUT
GND
DI1
DI2
DI3
DI4
DI5
GND
AI1
AI2
AGND
AGND
AI3
AI4
AO1
AO2
AO3
AO4
Angled terminal front row overview
Terminal Name
SER1_TXD
SER1_RXD
DEV_DET
SGND
1Wire
1Wire-LED
SGND
RS485_2+
RS485_2-
Logic IO ApS.
Holmboes Allé 14
8700 Horsens
Denmark
Description
Contact set for relay output 1.
Contact set for relay output 2.
Contact set for relay output 3.
Contact set for relay output 4.
Not connected.
Not connected.
DC power supply, positive (+) connection.
DC power ground, negative (-) connection.
12V / 500mA or 24V / 250mA DC output for external equipment.
Signal ground.
Digital input 1 / S0 input 1.
Digital input 2 / S0 input 2.
Digital input 3 / S0 input 3.
Digital input 4 / S0 input 4.
Digital input 5 / Wakeup (ignition) input.
Signal ground.
Analog input 1.
Analog input 2.
Analog ground.
Analog ground.
Analog input 3.
Analog input 4.
Analog output 1.
Analog output 2.
Analog output 3.
Analog output 4.
Description
Transmit data from serial port 1, RS232 compatible.
Receive data for serial port 1, RS232 compatible.
Reserved for accessories.
Signal ground.
1-Wire bus.
1-Wire ID-Button LED output.
Signal ground.
RS485 non-inverting signal for RS485 port 2.
RS485 inverting signal for RS485 port 2.
Page 12 of 50
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