Tachometers
RPM, speed, frequency display with 2 limits
TA1220
Features
–– Reading programmable as 1/s, 1/min, 1/h
–– Input: NPN, PNP, Namur, TTL, 10…600 VAC
–– Two limits SET 1 and SET 2
–– Sensor supply 5 V, 8 V, 12 V
–– Frequency 0.01 Hz…7 kHz
–– Period duration measurement
–– LED display, 4-digits
–– DIN housing 48 x 24 mm
–– Interface RS485
Technical data - electrical ratings
Voltage supply
Emitted interference
DIN EN 61000-6-3
Interference immunity
DIN EN 61000-6-2
21...53 VAC (50/60 Hz) or
10.5...70 VDC
85...265 VAC (50/60 Hz) or
100...300 VDC
Power consumption
5 W
Technical data - mechanical design
Sensor supply
5 V, 8 V or 12 V programmable /
60 mA
Ambient temperature
-10...+60 °C
LED, 7-segment display
(with 60 unit stickers for front)
Storage temperature
-25...+85 °C
Relative humidity
95 % non-condensing
Connection
Spring-loaded terminal
connector, detachable
Core cross-section
1 mm² (Grid 2.54)
2.5 mm² (Grid 7.62)
Display
Number of digits
4-digits
Digit height
10 mm
Display range
9999 ("OuE" to signal overflow)
Display refresh
0.1...9.9 s (programmable)
Protection DIN EN 60529
IP 65 (face)
Function
Digital display of frequency or
speed
Operation / keypad
3 softkeys below bezel
Programmable
parameters
Measuring units 1/h, 1/min, 1/s
Sensor logic
Decimal point
Sensor supply
Impulse evaluation
Relay outputs with time delay or
hysteresis
Housing type
Built-in housing
Dimensions W x H x L
48 x 24 x 136 mm
Cutout dimensions
45 x 22.2 mm (+0.3)
Mounting depth
125 mm
Mounting
Front panel installation by clip
frame
Weight approx.
100 g
Material
Housing: Polycarbonate,
UL 94V-0
Measuring principle
Period duration measurement
Signal inputs
Programmable as NPN, PNP,
Namur, TTL, 10...600 VAC or
contact
Counting frequency
0.01 Hz...7 kHz (20 Hz if contact
input)
Scaling factor
1...9999
Data memory
>10 years in EEPROM
Outputs relay
Normally open or closed,
programmable
Interface
RS485
Standard
DIN EN 61010‑1
Protection class II
Overvoltage category II
Pollution degree 2
1
www.baumer.com/motion
14/5/2014
Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
TA1220 - tachometer
Tachometers
RPM, speed, frequency display with 2 limits
TA1220
Part number
TA1220.
Inputs and outputs
1
AX01
Voltage supply
4 85...265 VAC and 100...300 VDC
5 21...53 VAC and 10.5...70 VDC
5HOD\RXWSXW6(7
PNP
High level >2.6 V
Low level <2.4 V
Inputresistance1.5kΩ
NPN
Connection diagram
Specification
Interface
0 Without interface
1 RS485
5HOD\RXWSXW6(7
Signal input
High level >2.6 V
Low level <2.4 V
Inputresistance3.9kΩ
NAMUR
Ion <1 mA, Ioff >3 mA
Inputresistance1.5kΩ
Magnetic sensor
Vin >30 mVeff at 60 Hz
Vin >300 mVeff at 6 kHz
Contact
Inputresistance3.9kΩ
Voltage 10...600 VAC
Measuring the frequency of the
voltage
Relay outputs (SET 1, SET 2)
6HQVRU
&RPPRQ
,QSXWV
7['5['
56
7['5['
6XSSO\YROWDJH
250 VAC / 110 VDC
Switching current max.
1A
Switching performance max.
150 VA / 30 W
9$&
,PSXOVH
LQSXW
QF
Switching voltage max.
Dimensions
TA1220 - without clip frame
TA1220 - clip frame mounting
2
www.baumer.com/motion
Subject to modification in technic and design. Errors and omissions excepted.
14/5/2014
6(7
6(7
7$5(
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