WIKA DI25 - Handbuch (Seite 18)

18 WIKA operating instructions digital indicator, model DI25
14076218.01 12/2013 GB/D
GB
6. Commissioning, operation
Connection terminals
Designation Description
A1, A2, A3 Alarm outputs 1, 2, 3
TRANSMIT OUTPUT Analogue actual-value output signal
P24 Supply of the transmitter
HOLD HOLD function
RS-485 Serial interface RS-485
TC Thermocouple
RTD Resistance thermometer
DC V Voltage input
DC mA Current input (shunt resistor: Measurement shunt 50 Ω included)
6.2.2 Setting up a voltage supply
For digital indicators with AC/DC 24 V voltage supply, it is mandatory to observe the
polarity when using DC currents.
Design Permissible power supply Power consumption
AC 100 ... 240 V AC 85 ... 264 V, 50/60 Hz approx. 10 VA
AC/DC 24 V AC/DC 20 ... 28 V, 50/60 Hz approx. 10 VA
3 2
3 2 1 6 5 4 8 7
A1
NO
3 A
AC 250 V
10 9
A2
NO
3 A
AC 250 V
P24
DC 24 V
30 mA
11 16 15 14 18 17 20 19 8 7
A3
NO
3 A
AC 250 V
RS-485
HOLD
YB (+) SG YA (-)
(shunt resistor)
A A B B
DC mA
DC V
RTD
TC
POWER SUPPLY
AC/DC 24 V
POWER SUPPLY
AC 100 ... 240 V GND
TANSMIT
OUTPUT
Dashed lines show the options