Technical Data; Mechanical Specifications; Electrical Specifications; Output Values - Prescaler Output - Hengstler signo 721 Benutzerhandbuch

9. Technical data

9.1 Mechanical specifications
Dimensions According to DIN 43700
48 x 48 x 108 mm,
insertion depth 100 mm
Mounting in a cutout area 45 x 45 mm,
with installation frame
Holding screws M 3
Front panel thickness up to 11 mm
Electrical connection two plug-in terminals, 8 poles each,
5 mm pattern
Connection diameter with multicore cable end 1 ... 1.5 mm
Screw M 2.6
Weight approx. 200 g
9.1.1 Electrical specifications
Input values
Power supply
DC = voltage 12 ... 24 V DC =
(Power supply, PIN 1-2)
max. tolerances + 10 % / - 5 %
Current consumption max. 300 mA
(incl. sensor current 60 mA)
Power consumption max. 4.4 W
AC ~ voltage 24 V AC ~
max. tolerances + 10 % / -10 %
Overload protection PTC 460 mA
Current consumption max. 255 mA
(incl. sensor current 60 mA)
AC ~ voltage 100 ... 240 V AC ~ / 50 ... 60 Hz
max. tolerances + 10 % / - 10 %
Overload protection PTC 90 mA
Current consumption max. 55 mA
(incl. sensor current 60 mA)
Power failure one mains half wave
Count and control inputs
The following values apply for all count and control inputs with
rectangular pulses at a pulse/ interval ratio of 1:1.
low ≤ 2 V, high ≥ 8 V
Switching level
Amplitude max. 40 V
Active edge can be set to positive/negative
Input resistance: 22 kOhm against 0 V
23 kOhm against 8 V
Pulse shape any
Count input
(terminal 11)
for prescaler factors frequency F
≤ 1.000:
non-attenuated, 5 kHz/100 µs
For prescaler factors F
max.
≤ 1.000:
f. ex. prescaler factor 5.000
F
max.
22/24
/ pulse width T
max. min.
= 5 kHz
PSC factor
= 5 kHz
= 1 kHz
5.000
For attenuated counter Frequency F
input generally applies: attenuated, 30 Hz/17 ms
Reset input
(terminal 12)
Pulse width T
min.
Application input
(terminal13)
2
for "gate":
for "display hold":
for "up/down":
Keylock input
(terminal 14)
9.1.2 Output values – prescaler output
Frequency
Pulse/interval ratio
(further technical data see 9.1.3)
9.1.3 Output values – transistor output
Type
Output level
Output delay max.
Output current max.
P des
VMAX
Ausgangstransistores
The sum of the currents
• at the prescaler output and
• of the sensor connected to terminals 9 and 10 and
• of the transistor outputs
must at no time exceed a value of 80 mA!

9.1.4 Output values - relay output

Preset (OUT)
/ pulse with T
max.
The reset characteristic is static for both
keypad and automatic reset.
The reset input is always attenuated.
17 ms
According to the use of this input as
"gate", "display hold" or "up/down"
(input S2 and S3), the
following frequency/time ratio applies:
Frequency F / pulse width T
max.
5 kHz/100 µs
Frequency F / Frequency T
max.
190 Hz/2.6 ms
The application input is always
non-attenuated
Signal must be present 50 µs before the
count pulse
pulse width T 17 ms
min.
The keylock input is always attenuated
5.4 kHz
1:1 (in one pulse period)
PNP, with pull-down
at12 ... 24 V DC = VDC – 2,0 V
at100 ... 240 V AC ~ 24 V DC =
+ 10 %, - 10 %
1 ms
20 mA, not short-circuit-proof
300 mW
Monostable ≥ 25 ms ... approx. 1 s,
continuously adjustable via potentiometer
Bistable in limit position of potentiometer
until keypad or external reset is executed.
Sach-Nr. 2 721 091; Version 1250100MW
min.
min.
min.