Installation
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
10
10
Table 4.2 Sensor cables
Sensor type
Cable length,
max
Resistance (per
wire), max
Cable type
RTD
100 m
15 ohm
Equal length and cross-
section, (2- or 3-wire)
TC
20 m
Compensation cable
Standard signal
(current or voltage)
100 m
100 ohm
2-wire
Fig. 4.2 Input connections
4.4.1
Current / voltage signals
Fig. 4.3 4-20 mA sensor wiring
Fig. 4.4 4-20 mA sensor group wiring (example)
►
NOTICE
To measure a current signal a shunt resistor R
L
= 100 ohm (±1%) should be con-
nected in parallel
.
Fig. 4.5 0-1 V sensor wiring
Fig. 4.6 Short-circuiting of a disabled
input