BQTF2 CARLO GAVAZZI, BQTF2 Datasheet - Page 2

• Manufacturer Part Number: BQTF2
• Description: AC Tachometer/Frequency Input Module
• Manufacturer: CARLO GAVAZZI

Specifications of BQTF2

• No. Of Analog Inputs: 2
• For Use With: UDM Series Digital Panel Meter

UDM60
Input specifications
Analogue inputs
Type of input
Digital inputs
2
Measurement accuracy, temp. drifts, max and min indications
All accuracies and min/max indications are referred to an ambient temp. range of 25°C ±5°C, rel. humidity ≤60% and scale
ratio (electrical/displayed scale) equal to 1.
(I I ) The min indication is -9.99999, ..., -999999 in case of “rotation speed detection” function
BQ TF1 module
BQ TF2 module
ON signal minimum time
duration
Rotation speed detection
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage contact(DC)
Pick-up (AC)
Voltage (AC) up to 100VAC
Voltage (AC) up to 500VAC
Number of inputs
Use
Module
BQ TF1
BQ TF2
Input type
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage
contact (DC)
Pick-up (AC)
Voltage (AC) up to
100VAC
Voltage (AC) up to
500VAC
Channels and variables
2, 0.001Hz to 50kHz for DC
signals: PNP, NPN,
NAMUR, TTL, free of volt-
age contacts, voltages up
to 14VDC.
2, 0.001Hz to 50kHz for AC
signals: pick-up, voltages
up to 500VAC.
0.001Hz to 50kHz, 10µs.
Max 1kHz, duty cycle 50%.
Signal level: ON < 2VDC,
OFF open collector (leak-
age current <=1mA).
Signal level: ON >10VDC,
OFF open collector (leak-
age current <=1mA).
Signal level: ON <=
1mADC, OFF >= 2.2
mADC.
Signal level: ON >4VDC,
OFF<=2VDC.
Input load: ON <1kohm,
OFF >20kohm.
Signal level: ON > 2VAC
(5.62Vpp).
Signal level: ON > 2VAC
(5.62Vpp).
Signal level: ON > 9VAC
(24.5Vpp).
Included in the measuring
module.
1 (contact).
- display HOLD command
- key-pad disabling
- latch alarm reset
Accuracy
0.001% RDG
±3 digit
0.001% RDG
±3 digit
Specifications are subject to change without notice
Accuracy (display, RS485)
Additional errors
Temperature drift
Display
Max and min indication
Measurements
Input impedance
Overloads
Temp. drift
± 50 ppm/°C
± 50 ppm/°C
Contact reading signal
Close contact resistance
Open contact resistance
Insulation
Humidity
Magnetic field
Up to 1 kHz
From 1 kHz
Min indication (I I ) Max indication
0.00000
00.0000
000.000
0000.00
00000.0
000000
0.00000
00.0000
000.000
0000.00
00000.0
000000
- counter(s) reset
- latch and counter reset
BQ TF1: <6 mA, <7 VDC
BQ TF2: <0.25 mA, <3 VDC
Max 1kΩ.
Min 100kΩ.
Non-insulated.
See table “Measuring
accuracy”, temperature
drifts and minimum/maxi-
mum indications”
0.05% RDG, 60% to 90%
R.H. .
0.05% RDG @ 400 A/m.
See table “Measuring
accuracy”, temperature
drifts and minimum/maxi-
mum indications”
2 lines, 6-digit + 2 ana-
logue indicators.
7 segments.
h= 10.0 mm
See table “Measuring
accuracy”, temperature
drifts and minimum/maxi-
mum indications”
Zero-crossing detection.
Zero-crossing detection
with divisor.
See table “Input
impedance and overflow”
See table “Input
impedance and overflow”
UDM60 DS ENG 261110
9.99999
99.9999
999.999
9999.99
99999.9
999999
9.99999
99.9999
999.999
9999.99
99999.9
999999