EnergyLogger NX-400 IODigital input/output. list

Terminal lists and jumper settings for EnergyLogger NX-400.

NX-400

Controller Mounting Supply voltage Digital inputs Digital outputs Analogue inputs Analogue inputs

Model: NX-400

DIN rail mounting 8-36 VDC 8 8 4 4

Supply voltage

Supply voltage Group Terminal Use Note
8-36 VDC 1 - Supply

1 - SUPP

Plus -

2 - PGND

3 - PGND

Minus

Digital outputs

Digital outputs Group Terminal Use Note
Supply voltage 8-36 VDC 2 - Digital Output 4 - DOUT SUPP + Supply voltage for outputs 1..4 -
5 - DOUT GND - -
Output 1 6 - DOUT1 Contact set 1, NONormally open.

Max. load is 1.5 A per output

Max. inductance for switching is 20 mH per output

Output 2 7 - DOUT2 Contact set 2, NONormally open.
Output 3 8 - DOUT3 Contact set 3, NONormally open.
Output 4 9 - DOUT4 Contact set 4, NO Normally open.
Supply voltage 8-36 VDC 3 - Digital Output 10 - DOUT SUPP + Supply voltage for outputs 5..8 -
11 - DOUT GND - -
Output 5 12 - DOUT5 Contact set 5, NONormally open.

Max. load is 1.5 A per output

Max. inductance for switching is 20 mH per output

Output 6 13 - DOUT6 Contact set 6, NONormally open.
Output 7 14 - DOUT7 Contact set 7, NONormally open.
Output 8 15 - DOUT8 Contact set 8, NONormally open.

Digital inputs

Digital inputs Group Terminal Use Note
Supply voltage 16-36 VDC 4 - Digital input/S0IEC 62053-31 Class A S0 standard for pulse signals. 16 - SO SUP + Supply voltage for S0IEC 62053-31 Class A S0 standard for pulse signals./NPNNPN is a negative signal (minus). inputs Connected only when the inputs are used as S0IEC 62053-31 Class A S0 standard for pulse signals./NPNNPN is a negative signal (minus). inputs
Ground 1 17 - DIN GND 1 - Ground for inputs 1..4 Must always be connected
Input 1 18 - DIN 1

Signal on DI1:

For PNP:PNP is a positive signal (plus). connect 8-40 VDC

For S0IEC 62053-31 Class A S0 standard for pulse signals./NPN:NPN is a negative signal (minus). connect DIN GND 1 and DI1

Use PNPPNP is a positive signal (plus). or NPNNPN is a negative signal (minus). signal

Input 2 19 - DIN 2

Signal on DI2:

For PNP:PNP is a positive signal (plus). connect 8-40 VDC

For S0IEC 62053-31 Class A S0 standard for pulse signals./NPN:NPN is a negative signal (minus). connect DIN GND 1 and DI2

Input 3 20 - DIN 3

Signal on DI3:

For PNP:PNP is a positive signal (plus). connect 8-40 VDC

For S0IEC 62053-31 Class A S0 standard for pulse signals./NPN:NPN is a negative signal (minus). connect DIN GND 1 and DI3

Input 4 21 - DIN 4

Signal on DI4:

For PNP:PNP is a positive signal (plus). connect 8-40 VDC

For S0IEC 62053-31 Class A S0 standard for pulse signals./NPN:NPN is a negative signal (minus). connect DIN GND 1 and DI4

Input 5 5 - Digital input 22 - DIN 5 Signal on DI5: connect 8-40 VDC (PNPPNP is a positive signal (plus).) Use only PNPPNP is a positive signal (plus). signal
Input 6 23 - DIN 6 Signal on DI6: connect 8-40 VDC (PNPPNP is a positive signal (plus).)
Input 7 24 - DIN 7 Signal on DI7: connect 8-40 VDC (PNPPNP is a positive signal (plus).)
Input 8 25 - DIN 8 Signal on DI8: connect 8-40 VDC (PNPPNP is a positive signal (plus).)
Ground 2 26 - DIN GND 2 - Ground for inputs 5..8 Must always be connected

Analogue inputs

Analogue inputs Group Terminal Use Note
Ground 6 - Analog Input 27 - AGND Ground for analogue inputs Must always be connected to the transmitter reference point (ground)
Input 1 28 - AIN 1

If DIP switch 1 is OFF, a 0-10 V signal is used on AI1

If DIP switch 1 is ON, a 4-20 mA signal is used on AI1

Connect the transmitter between AINx and AGND using 0-10 V or 4-20 mA
Input 2 29 - AIN 2

If DIP switch 2 is OFF, a 0-10 V signal is used on AI2

If DIP switch 2 is ON, a 4-20 mA signal is used on AI2

Input 3 30 - AIN 3

If DIP switch 3 is OFF, a 0-10 V signal is used on AI3

If DIP switch 3 is ON, a 4-20 mA signal is used on AI3

Input 4 31 - AIN 4

If DIP switch 4 is OFF, a 0-10 V signal is used on AI4

If DIP switch 4 is ON, a 4-20 mA signal is used on AI4

Analogue outputs

Analogue outputs Group Terminal Use Note
Output 1 7 - Analog Output 32 - AOUT 1

If DIP switch 1 is OFF, a 0-10 V signal is used on AO1

If DIP switch 1 is ON, a 4-20 mA signal is used on AO1

Connect the equipment between AOUTx and AGND using 0-10 V or 4-20 mA
Output 2 33 - AOUT 2

If DIP switch 2 is OFF, a 0-10 V signal is used on AO2

If DIP switch 2 is ON, a 4-20 mA signal is used on AO2

Output 3 34 - AOUT 3

If DIP switch 3 is OFF, a 0-10 V signal is used on AO3

If DIP switch 3 is ON, a 4-20 mA signal is used on AO3

Output 4 35 - AOUT 4

If DIP switch 4 is OFF, a 0-10 V signal is used on AO4

If DIP switch 4 is ON, a 4-20 mA signal is used on AO4

Ground 36 - AGND Ground for analogue outputs Must always be connected to the transmitter reference point (ground)

CAN bus

CAN bus communication Group Terminal Use Note
Port 1 8 - CAN

37 - CAN-H

CAN-bus H-signal

-

38 - CAN-L CAN-bus L-signal
Ground 39 - SGND Ground for CAN bus

RS485 port 1

RS485 communication Group Terminal Use Note
Port 1 10 - RS485 1

43 - RS1A (+)

RS485 non-inverting signal (A)

Enabled by default with a 120 ohm resistor on the bus

Read more about termination here

44 - RS1B (-)

RS485 inverting signal (B)

Ground 45 - SGND Ground for RS485

RS485 port 2

RS485 communication Group Terminal Use Note
Port 2 11 - RS485 2 46 - RSA 1 (+)

RS485 non-inverting signal (A)

Enabled by default with a 120 ohm resistor on the bus

Read more about termination here

47 - RSB 1 (-)

RS485 inverting signal (B)

Ground 48 - SGND Ground for RS485

1-Wire

1-Wire communication Group Terminal Use Note
Port 1 12 - 1-wire 49 - 1-Wire 1-Wire bus

Connect the equipment between 1Wire and SGND

50 - 1-Wire-LED 1-Wire ID button with LED lamp
Ground 51 - GND Ground for 1-Wire

Public revision 21/08/2026