Input Signals - YOKOGAWA Total Insight series Quick Reference Instruction Manual

Transmitter

7.4.6 Input signals

Active current
An individual analog power input is available for external analog devices.
input lin
The active current input lin is provided for connecting a two-wire transmitter with an out-
put signal of 4 – 20 mA.
Nominal input current
Maximum input current range
Internal power supply
Internal load resistance Rotamass
ROTAMASS
24 V
0 V
Fig. 36: Connection of external device with passive current output
①
Passive current The passive current input lin is provided for connecting a four-wire transmitter with an out-
input lin
put signal of 4 – 20 mA.
Nominal input current
Maximum input current range
Maximum input voltage
Internal load resistance Rotamass
ROTAMASS
Fig. 37: Connection of external device with active current output
①
Iin+
Iin-
External passive current output device
Iin+
Iin-
External active current output device
IM01U10A00-00EN-R, 2nd edition, 2017-08-29
Quick Reference Instruction Manual
Value
4 – 20 mA
2.4 – 21.6 mA
24 V ±20 %
DC
≤ 160 Ω
1
Value
4 – 20 mA
2.4 – 21.6 mA
≤ 32 V
DC
≤ 160 Ω
1
Wiring
45 / 54