Hengstler signo 721 Preset counter

Category - Time counters

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Description

Description

Easy operation and many setting options characterise the Signo 721 preset counter. It provides very high counting frequencies of up to 60 kilohertz and features a large 5-digit LCD display. It is backlit and easy to read. Preset counter

Very simple operation
Large, clearly readable LCD display
LCD reflective or backlit
Counting frequency up to 60 kHz
Prescaler 0.000 - 9.9999

Product Family	signo 721
Function	Preset counter
Technology	Electronic
Digits	5-digit
Display	5-digit 2-line counting display/presets leading zero suppression decimal point (up to 4 places)
Preset	1 preset 2 presets
Digit Height [mm]	1. Line 12.0 mm (0.5 in) 2. Line 6.0 mm (0.3 in)
Display Variant	reflective LCD transmissive negative LCD, digits backlit white or red on a black background
View Angle	12:00
Relay	1 or 1 relays

Voltage	12-30 VDC 24-240 VAC
Reset	manual reset electrical reset automatic reset
Signal Times	0.01 s to 599.99 s or bistable, programmable, tolerance + 10 ms
Current Consumption [mA]	< 200 mA at 12-30 VDC reflective < 250 mA at 12-30 VDC with backlight <250 mA at 24 VAC <50 mA at 115, 230 VAC <80 mA at 100-240 VAC switching power supply
Power Consumption	< 5 W?<8 W
Cable Cross-Section	1...1.5 mm? (0.0015...0.0023 in?) with multicore cable end
Input Resistance	approx. 10 kOhm
Pulse Length min.	17 ms (30 Hz), 8 ?s (60 kHz)
Supply Voltage	12-30 VDC 24, 115, 230 VAC 100-240 VAC
Count Frequency [Hz]	max. 60 kHz (TTL 20 kHz): Single-channel counting and directional input max. 60 kHz (TTL 20 kHz): differential or totalizing operation channel (A+B together) max. 30 kHz (TTL 20 kHz): phase discriminator 1- or 2-fold evaluation max. 15 kHz (TTL 15 kHz): phase discriminator 4-fold evaluation attenuated 30 Hz For further details, see graphic and manual.
Overload Protection	ext. backup DC: 0.16 AT (IEC 127), DC: 0.2 AT (UL 198) 24 VAC : 315 mAT 115 VAC: 63 mAT 230 VAC: 32 mAT 100-240 VAC 630 mAT
Overload Protection Relay Output	ext. backup 230 V 2.5 A mT
Sensor Supply	Transformer power supply: 12-24 VDC (load-dependent) max. 50 mA switch power supply 24 VDC -5% max. 115 mA, max. capacitative load 470 µF
Storage of Values	NVM > 10 years
Electrical Connection	pluggable screw terminals / connecting clamps
Amplitude Threshold	8 V or 4 V at TTL levels amplitude max. 40 VDC
Active Edge	programmable, positive with PNP input, negative with NPN input
Pulse Shape	any square wave (1:1 for max. frequency)
Prescaler	0.0001 - 9.9999
Display and Preset Range	- 99 999 to + 99 999
Relay (Preset 1 and 2)	Varistor max. 250 VAC / 30 VDC / 5 A Varistor min. 5 VAC / 5 VDC / 10 mA Delay < 10 ms
Transistor output (Preset 1 + 2)	DC supply: PNP output 12 - 30 VDC, max. 50 mA transformer power supply (24, 115, 230 VAC): PNP output 12 - 24 VDC, max. 30 mA switch power supply 100-240 VAC: PNP output 24 VDC, max. 50 mA
Application Output	DC supply: PNP output 12 - 30 VDC, max. 20 mA transformer power supply (24, 115, 230 VAC): PNP output 12 - 24 VDC, max. 20 mA switch power supply 100-240 VAC: PNP output 24 VDC, max. 20 mA
Attention	Only for transformers (24, 115, m230 VAC: The energy load on the outputs (sensors 12-24 VDC, out1, out2, Appl.-Outp.) may not be more than 65 mA total.

Counter Mode Input A,B	Single channel add or sub, directional input, differential operation add / sub, totalizing operation add / add, phase discriminator 1-, 2- or 4-fold evaluation
Application Input/Output (Counter)	Output: Prescaler-out direction-out input: Reset Gate Keylock Hold

Product Family	signo 721
Function	Preset counter
Technology	Electronic
Digits	5-digit
Display	5-digit 2-line counting display/presets leading zero suppression decimal point (up to 4 places)
Preset	1 preset 2 presets
Digit Height [mm]	1. Line 12.0 mm (0.5 in) 2. Line 6.0 mm (0.3 in)
Display Variant	reflective LCD transmissive negative LCD, digits backlit white or red on a black background
View Angle	12:00
Relay	1 or 1 relays

Voltage	12-30 VDC 24-240 VAC
Reset	manual reset electrical reset automatic reset
Signal Times	0.01 s to 599.99 s or bistable, programmable, tolerance + 10 ms
Current Consumption [mA]	< 200 mA at 12-30 VDC reflective < 250 mA at 12-30 VDC with backlight <250 mA at 24 VAC <50 mA at 115, 230 VAC <80 mA at 100-240 VAC switching power supply
Power Consumption	< 5 W?<8 W
Cable Cross-Section	1...1.5 mm? (0.0015...0.0023 in?) with multicore cable end
Input Resistance	approx. 10 kOhm
Pulse Length min.	17 ms (30 Hz), 8 ?s (60 kHz)
Supply Voltage	12-30 VDC 24, 115, 230 VAC 100-240 VAC
Count Frequency [Hz]	max. 60 kHz (TTL 20 kHz): Single-channel counting and directional input max. 60 kHz (TTL 20 kHz): differential or totalizing operation channel (A+B together) max. 30 kHz (TTL 20 kHz): phase discriminator 1- or 2-fold evaluation max. 15 kHz (TTL 15 kHz): phase discriminator 4-fold evaluation attenuated 30 Hz For further details, see graphic and manual.
Overload Protection	ext. backup DC: 0.16 AT (IEC 127), DC: 0.2 AT (UL 198) 24 VAC : 315 mAT 115 VAC: 63 mAT 230 VAC: 32 mAT 100-240 VAC 630 mAT
Overload Protection Relay Output	ext. backup 230 V 2.5 A mT
Sensor Supply	Transformer power supply: 12-24 VDC (load-dependent) max. 50 mA switch power supply 24 VDC -5% max. 115 mA, max. capacitative load 470 µF
Storage of Values	NVM > 10 years
Electrical Connection	pluggable screw terminals / connecting clamps
Amplitude Threshold	8 V or 4 V at TTL levels amplitude max. 40 VDC
Active Edge	programmable, positive with PNP input, negative with NPN input
Pulse Shape	any square wave (1:1 for max. frequency)
Prescaler	0.0001 - 9.9999
Display and Preset Range	- 99 999 to + 99 999
Relay (Preset 1 and 2)	Varistor max. 250 VAC / 30 VDC / 5 A Varistor min. 5 VAC / 5 VDC / 10 mA Delay < 10 ms
Transistor output (Preset 1 + 2)	DC supply: PNP output 12 - 30 VDC, max. 50 mA transformer power supply (24, 115, 230 VAC): PNP output 12 - 24 VDC, max. 30 mA switch power supply 100-240 VAC: PNP output 24 VDC, max. 50 mA
Application Output	DC supply: PNP output 12 - 30 VDC, max. 20 mA transformer power supply (24, 115, 230 VAC): PNP output 12 - 24 VDC, max. 20 mA switch power supply 100-240 VAC: PNP output 24 VDC, max. 20 mA
Attention	Only for transformers (24, 115, m230 VAC: The energy load on the outputs (sensors 12-24 VDC, out1, out2, Appl.-Outp.) may not be more than 65 mA total.

Counter Mode Input A,B	Single channel add or sub, directional input, differential operation add / sub, totalizing operation add / add, phase discriminator 1-, 2- or 4-fold evaluation
Application Input/Output (Counter)	Output: Prescaler-out direction-out input: Reset Gate Keylock Hold