Transmitter
General Instruction Manual
Wiring
IM 01U10B00-00EN-R, 3rd edition, 2018-07-09
61 / 90
7.4.6 Input signals
Active current
input lin
An individual analog power input is available for external analog devices.
The active current input lin is provided for connecting a two-wire transmitter with an out-
put signal of 4–20 mA.
Value
Nominal input current 4 – 20 mA
Maximum input current range 2.4 – 21.6 mA
Internal power supply 24 V
DC
±20 %
Internal load resistance Rotamass ≤ 160 Ω
Fig.51: Connection of external device with passive current output
① External passive current output device
Passive current
input lin
The passive current input lin is provided for connecting a four-wire transmitter with an out-
put signal of 4 – 20 mA.
Value
Nominal input current 4 – 20 mA
Maximum input current range 2.4 – 21.6 mA
Maximum input voltage ≤ 32 V
DC
Internal load resistance Rotamass ≤ 160 Ω
Fig.52: Connection of external device with active current output
① External active current output device