2
Specifications are subject to change without notice
USCDS0407063
USC
Analogue inputs
Measuring module
BQ LSX module
1, mA and V DC/AC
BQ LSE/LSF module
1, mA and V DC/AC + AUX
BQ HSX module
1, A and V DC/AC
BQ TRX module
1, temperature
BQ TRX module
1, resistance
Digital inputs (CMD)
Incl. in the measuring module
Number of inputs
1 (voltage-free)
Use
Reset of latch alarms
Contact reading signal
BQ xxx: <0.1mA, <3.5V DC
BQ LSE/LSF: <2.5mA,
<14V DC
Close contact resistance
Max 1k
Ω
Open contact resistance
Min 500k
Ω
Insulation
Non-insulated
Accuracy (RS485)
See table “Measuring
accuracy”, temperature drifts
and minimum-maximum
indications”
Additional errors
Humidity
0.3% RDG, 60% to 90% R.H.
Input frequency
0.4% RDG, 62 to 440 Hz
Magnetic field
0.5% RDG @ 400 A/m
Temperature drift
See table “Measuring
accuracy, temperature drifts and
maximum minimum indications”
Sampling rate
BQ LSX module
500 samples/s @ 50Hz
BQ LSE/LSF module
500 samples/s @ 50Hz
BQ HSX module
500 samples/s @ 50Hz
BQ TRX module
500 samples/s @ 50Hz
Measurement updating
200 msec @ 50 Hz
Resolution of measurements
10.000 points (4-dgt)
Max. and min. indications
See table “Measurement
accuracy, temperature drifts
and max min indications”
Measurements
Current, voltage, tempera-
ture and resistance. For the
current and voltage mea-
surements: TRMS measure-
ment of distorted sine
waves.
Coupling
Direct.
Crest factor
≤3; A
Pmax=1,7In; VPmax=1,7Un
Input impedance
See table “input
impedances and overloads”
Frequency
40 to 440 Hz
Overload
See table “input
impedances and overloads”
Compensation
Only temperature
measurement module.
RTD
- For Pt 100-250-500-1000,
3-wire connection: up to 10
Ω
- For resistance measur. with
20
Ω range: up to max 0.1Ω
- For resistance measurements
with
≥200Ωrange:uptomax10Ω
TC
Internal cold junction, within
temperature range from
0 to +50°C.
Automatic or manual
compensation from 0 to 50°C.
Input Specifications
AUXILIARY DIGITAL INPUTS
(FUTURE FUNCTION)
ALARM OUTPUTS
COMMUNICATION
POWER SUPPLY
INTERNAL BUS
MEASURING INPUTS +
DIGITAL INPUTS +
AUXILIARY POWER SUPPLY
Measuring inputs:
DC/AC: mA-mV-V
DC/AC: A-V
°C/°F: TC-Pt-Ni-
Ω
Digital input:
Alarm reset
Auxiliary power supply:
13V / 50mA DC
25V / 25mA CC
Remote programming by
means of PC
90 to 260V AC/DC
18 to 60V AC/DC
Analogue outputs:
1 x 20mA/10V DC
Serial ports:
RS485
RS232
1 alarm
2 alarms
4 alarms
USC architecture