Siemens Simatic ET 200SP Manual page 22

Terminal and block diagram
①
②
③
P1, P2,
AUX
Figure 3-1
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
Manual, 07/2018, A5E42674880-AA
Microcontroller
Backplane bus interface
Analog-to-digital converter (ADC)
Internal self-assembling voltage buses
Connection to left (dark-colored Ba-
seUnit)
Connection to left interrupted (light-
colored BaseUnit)
Block diagram of the AI Energy Meter HF
3.1 Terminal and block diagram
UL Connection of voltage transformers
n
IL Connection of current transformers
n
N Neutral
Wiring
21