DZ270/271/276/277/279 Monitor Sin/Cos Encoder Monitor-overspeed, underspeed, standstill/direction of rotation

Model Numbers

DZ 270  3 relays, serial RS232 interface and analogue output
DZ 271  3 fast switching transistor outputs, RS232 and analogue output
DZ 277 3 relays, serial RS232 interface
DZ 279 3 fast switching transistor outputs, serial RS232 interface

Features

  • Most versatile and fast-responding speed monitors for control and monitoring of overspeed, underspeed, standstill and direction of rotation
  • Iinputs for encoder lines sin+ / sin- /cos+ / cos- with 1 Vpp format
  • Wide operating range from 0.1 Hz to 500KHz
  • Parameter settings by 4 front keys and LCD menu
  • Serial RS232 interface
  • Power supply 24 VDC
  • Auxiliary +5V output for supply of TTL encoders 
  • Housing for panel or DIN rail mounting

Specifications

Power Supply  17VDC - 30VDC 
 Ripple ≥ 10% @ 24VDC 
 Current consumption approx. 70mA @ 24 VDC 
 Aux. Output for encoder supply 5.2V max. 200mA 
 Inputs Control 1/2

Ri = 3.9 kOhms, Low < 2.5V, HIGH > 10V (max. 30V)

minumum duration of dynamic signals: 50 µsec.

minumum duration of static singals: 2 msec. 

 Encoder inputs

Symmetric differential sin/cos - input (sin+, sin-, cos+, cos), Signal level 0.8 Vpp - 1.2 Vpp, Singal offset approx. 2 - 3V to GND 

 Input Frequency 

500kHz

 Analogue Output

±10V, max. 2mA

0 - 20mA, 4 - 20 mA (load: max 270 Ohm)

Resolution 14 bits, accuracy 0.1%

Settling time approx. 200us

Step response = 2 x sampling time + 200us 

 Relays (DZ260 and DZ267 only) Dry change-over contracts, switching capability 30V / 2A DC or 125V / 0.6A AC or 230V / 0.3A AC Response time approx. 4msec.  
Transistor Outputs (DZ 261 and DZ269 only)   3 fast, short-circuit-proof PNP-outputs 5-30V, 350 mA, response time < 1 msec.
 Serial interface RS232 / 2400 - 38400 Bauds 
Ambient Temperature 

Operation: 0 - 45°C ( 32 - 113°F)

Storage: -25 - +70°C ( -13 - 158°F) 

Housing  Plastic housing, suitable for mounting to standard DIN rails (35mm) 
 Display LCD with backlight, 2 lines at 16 characters, 3.5mm size 
protection Class  IP20 
 Connections 25 position screw terminals for cross sections of max. 1.5 mm² (0.0023 in²) 
 Conformity and Standards

EN61326-1:2006

EN61000-6-2:2006-03

EN61000-6-3:2007-09