ComfortPoint
TM
Open System
5 EN1B-0498GE51 R0512
Technical Data
Analog Inputs
Number: 8
Characteristics: linear graph 0..10 Vdc with pull-up,
0(2)…10 Vdc without pull-up;
NTC20kΩ (-30…+110 °C, default)
Features: 10-bit resolution; configurable offset per
input
Protection: protected against voltages of max. 30
VDC and 24 VAC+20%
Table 2. Accuracy of analog input sensors
Range NTC20kΩ (default)
-30...-20 °C (-22...-4 °F)
70...100 °C (158...212 °F)
100...110 °C (212...230 °F)
NOTE: The accuracy of the sensor, itself, is not included
in the values stated in the above table.
Fig. 4. Analog input high impedance (input circuit for
voltage input for active sensors)
Fig. 5. Analog input impedance setpoint (input circuit for
NTC20kΩ, wall module setpoint)
Analog Outputs
Number: 8
Characteristics: 0…11 Vdc / ± 1 mA, default; also con-
figurable as binary outputs (0 V / 10 V)
Accuracy: ±150 mV
Zero output voltage: < 200 mV
Features: 10-bit resolution (default); safety
position (remain, 0%, 50%, 100%)
Protection: protected against voltages of max. 30
VDC and 24 VAC+20% and short-circuit
Binary Inputs
Number: 12
Characteristics: static binary input (default: dry
contact)
ON: < 1.6 kΩ; OFF: > 90 kΩ; also
configurable as totalizers (15 Hz)
Current rating 2 mA (closed input)
Open contact voltage: 16…22 Vdc
Features: one yellow LED per input
Protection: protected against voltages of max. 30
VDC and 24 VAC+20%
Using the engineering tool, the binary inputs can be con-
figured as fast totalizers for operation in conjunction with
devices equipped with an open-collector output.
Table 3. Binary inputs used as fast totalizers
internal voltage
Dry
Contact
COM
DI
Fig. 6. Configuration of binary input as fast totalizer
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