Hengstler Signo 721 Quick Start Manual Download Page 5

141

Components 2000

E N C O D E R S

C O U N T E R S  

C O N T R O L L E R S   I N D I C A T O R S   R E L A Y S   P R I N T E R S

C U T T E R S

Display

5-digit, LED, decimal point with soldering bridge

Digit height

7 mm 

Supply voltage V

op

12 … 24 VDC – 5/+ 10 % or 24 VAC  ± 10 % or 
100 … 240 VAC, depending on version

Current consumption 

on 12 … 24 VDC < 300 mA, on 24 VAC < 255 mA, 
on 100 … 240 VAC < 55 mA 

Sensor supply

AC operation 24 VDC +– 10 %, DC operation V

op

- 2 V

Value retention

approx. 10 years, NV memory

Operating temperature 

0 … + 50 °C 

Storage temperature

– 20 … + 70 °C 

Electrical connection

plug-in screw terminals

Protection class (IEC 144)

front IP 54; connections IP 20

Interference immunity EMC

severity 3 acc. to IEC 801 - pt. 2 + pt. 4

Vibrostability 30 

m/s

2

(50 ... 500 Hz) acc. to IEC 068-2-6 

Shock stability 

100 m/s

2

(10 ms) acc. to IEC 068-2-27 

General design

acc. to DIN VDE 0411; insulation group C

Weight

approx. 200 g

Approvals

CSA: LR 30208-12-13 

Inputs
Amplitude thresholds 

< 2 V and > 8 V; max. + 40 VDC 

Active edge

positive, can be switched to negative

Pulse shape

random (squarewave 1:1 for max. frequency)

Input resistance

approx. 22 k

Count input

adding programmable, prescaler, adjustable
from 0.001...9.999

Min. pulse length 

> 100 µs / > 17 ms (depending on counting frequency) 

Max. counting frequency

5 kHz / 30 Hz

Control inputs
Pulse shape

PNP or NPN (able to switch over) 

Reset

with static behaviour
- manual via keypad
- electric, pulse length > 17 ms
- automatic when OUT2 responds (only if programmed

accordingly)

Keylock

full keypad or only preset 1 (depending on program), static
behaviour, pulse length > 17 ms

Application (Appl.)

gate, up/down or display memory, depending on version
Signal must be applied 50 µs before count pulse

Outputs
Signal outputs

OUT1 and OUT2, depending on version

Signal duration

OUT1: starts when P1 is reached and ends when OUT2 responds
OUT2: starts when P2 is reached from 0.05 s ... bistable 
(adjustable) 

Relay
Contact type

counter with 1 P: changeover; counter with 2 P: make contact

Max. switching voltage

max. 250 VAC or 30 VDC

Switching current

max. 1 A, min. 100 mA on 20 V

Transistor 
Switching voltage

AC operation 24 VDC ,DC operation V

op

-2 V

Switching current 

20 mA 

Prescaler (PSC-OUT) 
Switching voltage

AC operation 24 VDC ± 10 %, DC operation V

op

-2 V

Switching current

max. 10 mA 

Signal duration

typ. 90 µs 

TECHNICAL DATA

Technical data

signo 721

Summary of Contents for Signo 721

Page 1: ...EINGABE Über die 4 großen Tasten an der Front seite des Zählers können die in der Abb gezeigten Werte eingegeben oder verän dert werden P1 Vorwahl 1 P2 Vorwahl 2 COR Korrektur PSC Prescaler Werteingabe Zähler mit zwei Vorwahlen Zähler mit Tor und Anzeigespeicher Zähler mit up down Reset Auto Reset On see Key 1 Off Key 2 Off Key Reset Lock Input 5kHz Display Hold Off Inhibit Off pnp Input 0 05s 1s ...

Page 2: ... 22 kΩ Zähleingang addierend oder subtrahierend porgrammierbar Prescaler von 0 001 9 999 einstellbar Impulsdauer mind 100 µs 17 ms entspr Zählfrequenz Zählfrequenz max 5 kHz 30 Hz Steuereingänge Impulsform PNP oder NPN umschaltbar Rückstellung Reset mit statischem Verhalten manuell durch Taste elektrisch Impulslänge 17 ms automatisch mit Ansprechen von OUT 2 nur bei entspr Programmierung Verriegel...

Page 3: ... ANSCHLUSSBILD NC nicht belegt 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AC DC Spannungsversorgung NC NC NC OUT Relais oder Transistorausgang OV Geberspannungsversorgung Input Reset Appl Keylock Prescaler OUT NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AC DC Spannungsversorgung NC OUT1 Relais od Transistorausgang NC OUT2 Relais od Transistorausgang OV Geberspannungsversorgung Input Reset Appl Keylock P...

Page 4: ... input VALUE INPUT Values shown in the diagrams can be entered or modified with four large keys on the front of the counter P1 Preset 1 P2 Preset 2 COR Correction PSC Prescaler Value input Counter with two presets Counter with gate and display memory Counter with up down Reset Auto Reset On see Key 1 Off Key 2 Off Key Reset Lock Input 5kHz Display Hold Off Inhibit Off pnp Input 0 05s 1s bist Out 9...

Page 5: ... frequency Input resistance approx 22 kΩ Count input adding programmable prescaler adjustable from 0 001 9 999 Min pulse length 100 µs 17 ms depending on counting frequency Max counting frequency 5 kHz 30 Hz Control inputs Pulse shape PNP or NPN able to switch over Reset with static behaviour manual via keypad electric pulse length 17 ms automatic when OUT2 responds only if programmed accordingly ...

Page 6: ...connected 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AC DC supply voltage NC NC NC OUT Relay or transistor output OV Sensor supply voltage Input Reset Appl Keylock Prescaler OUT NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NC OUT1 Relay or transistor output NC OUT2 Relay or transistor output OV Sensor supply voltage Input Reset Appl Keylock Prescaler OUT NC AC DC supply voltage ORDER INFORMATION Counter ...

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