Wiring
Quick Reference Instruction Manual for Spare
Transmitter replacement
IM01U10A01-00EN-R, 1
st
edition, 2019-12-09
65 / 76
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
Iin+
Iin-
ROTAMASS
1
Fig. 46:
Connection of external device with active current output
①
External active current output device
Status input
Sin
Do not connect a signal source with electric voltage.
The status input is provided for use of voltage-free contacts with the following specifica-
tion:
Switching status
Resistance
Closed
< 200 Ω
Open
> 100 kΩ
ROTAMASS
Sin+
Sin-
Fig. 47:
Status input connection
