10
7. Technical data
7.1 Relay output
7.2 Analog inputs
7.3 Analog output
7.4 Digital inputs
7.5 Pt100/Pt1000 input
8. Maintenance
The IO module is maintenance-free during normal
use and operation. The IO module must only be
cleaned with a dry dust-free cloth.
9. Service
The IO module cannot be serviced. If the IO module
is faulty, the CIU 27X unit must be replaced.
10. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Supply voltage
24 VDC ± 10 % and
5 VDC ± 5 %
Power consumption
Maximum 3.5 W
Cables
Cross-section:
0.5 to 2.5 mm
2
or
AWG 20-13
Length:
The above values
apply to cable lengths
not exceeding
30 metres.
Normally open contact
C, NO
Normally closed contact
C, NC
Maximum contact load
240 VAC, 2 A
Minimum contact load
5 VDC, 10 mA
Input current and voltage
0-20 mA
4-20 mA
0-10 V
Tolerance
± 3 % of full scale
Repetitive accuracy
± 1 % of full scale
Input resistance, current
< 250
Ω
Input resistance, voltage
> 50 k
Ω
± 10 %
Frequency range
0-16 Hz
Supply to sensor
24 V ± 10 %,
maximum 30 mA,
short-circuit-protected
Output signal
0-10 V ± 2 % of full
scale
Repetitive accuracy
± 1 % of full scale
Maximum output current
1 mA
Open-circuit voltage
5 VDC
Closed-circuit current
10 mA
Frequency range
0-16 Hz
Logic "0"
Logic "1"
< 1.5 V
> 4.0 V
Caution
Only potential-free devices must be
connected to the digital inputs.
Pt100/Pt1000
supply current
1 mA
Temperature range
-50 °C to +200 °C
(-58 °F to +392 °F)
Update interval
2000 ms
Note
Cable length compensation is not
supported by the IO module.
Subject to alterations.
