Conductors - Grundfos IO 401 Montage- Und Betriebsanleitung

Inputs for Pt100/Pt1000
Terminal designation
+
C
SHLD
–
–
+
C
SHLD
–
–
Analog inputs
Terminal designation
AI1_U
AI1_I
+24 V
0 V
AI2_U
AI2_I
+24 V
0 V
12
Description
Resistance input
Correction for lead resist-
ance.
Connect to this terminal
when a three-wire Pt100/
Pt1000 is used, otherwise
short-circuit to the
– terminal.
0 V (screen)
Resistance input
Short-circuit to C when a
two-wire Pt100/Pt1000 is
used.
Resistance input
Correction for lead resist-
ance.
Connect to this terminal
when a three-wire Pt100/
Pt1000 is used, otherwise
short-circuit to the
– terminal.
0 V (screen)
Resistance input
Short-circuit to C when a
two-wire Pt100/Pt1000 is
used.
Description
Analog input (voltage)
Analog input (current)
Supply for external trans-
ducer, max. 25 mA
Analog input (voltage)
Analog input (current)
Supply for external trans-
ducer, max. 25 mA
Digital outputs
Terminal designation
DO1_NC
DO1_NO
DO1_C
DO2_NC
DO2_NO
DO2_C
Changeover relay:
Transducer connection
Terminal designation
0 V
24 V
V
I
FB 101 connection
Terminal designation
1
2
3
Note: The phase voltages must not be connected
directly, only via the FB 101 module.

5.4 Conductors

Rigid conductors
Flexible conductors
without insulated ferrule
Conductor size
(American measurement)
Flexible conductors
with insulated ferrule.
With/without plastic collar
Description
Relay contact
Relay contact
Relay contact - common
Relay contact
Relay contact
Relay contact - common
1 2 3
NC NO C
Description
Supply
Supply
Voltage input
Current input
Description
Phase 1
Phase 2
Phase 3
2
0.2-2.5 mm
24-12 AWG
2
0.2-1.5 mm