X1 terminal strip of the PZM23A.. interface box

The following figure shows the terminals of the PZM23A.. interface box.

X1 terminal block (power input terminal strip)

No.

Name

Function

[1]

VO24

DC 24 V output

[2]

DGND

Reserved

[3]

+24V_C

DC 24 V supply for connection and loop‑through

[4]

0V24_C

0V24 reference potential for 24 V supply and 24 V output

[5]

HT1

Auxiliary terminal for additional voltage levels
(without internal function)

[6]

HT2

Auxiliary terminal for additional voltage levels
(without internal function)

[7]

L1

Line, phase L1

[8]

L2

Line, phase L2

[9]

L3

Line, phase L3

[10]

PE

Protective earth connection