Specifications

General data


Relay description
NEED..-x1-08-4





NEED..-x1-16-8

6 digital inputs AC
2 analogue-digital inputs
4 digital relay NO outputs
Comparator of analogue values
Real time clock

13 AC digital inputs
3 analog-digital inputs
8 NO digital relay outputs
Real time clock
Fast counter
Three phase network control
Application
Low voltage systems
Supply voltages
NEED-230AC-x1-..
NEED-24DC-x1-..
NEED-12DC-x1-..

95V - 260V AC
19,6V - 28,8V DC
10,2V - 14,4V DC
Installation:
- Orientation
- Mounting
- Fixing

Random
On a 35 mm-wide mounting rail or using 2 screws, dia. 4mm
In control cabinet, installation switchgear compliant to EN 61131-2
Connection
The device can only be connected by a person familiar with electric system installation
Cabling
1x2,5mm2
2x1,5mm2
Max. tightening torque for terminal screws
0,6Nm
Conformity to standards
EN 611131-2
Certificates
B, CE, GOST, UL, VDE


Dimensions:

NEED..-x1-08-4R

Width
Lenght
Height

Weight


72 mm
90 mm
55 mm

210g
NEED..-x1-16-8R

Width
Lenght
Height

Weight


132 mm
90 mm
55 mm

400g


Climate and mechanical conditions and requirements

Operating temperature
from -20°C to +55°C
Relative humidity
from 10% to 95%, noncondensing
Atmospheric pressure
795hPa to 1080hPa
Contamination rate
2
Permissible vibrations in operating condition (EN 60068-2-6)
5Hz to 9Hz (constant amplitude of 3.5mm)
9Hz to 150Hz (constant acceleration of 1g)
Bump (EN 60068-2-27)
6 bumps (half sinusoid 15g/11ms)
Drop and topple (EN 60068-2-31)
100mm, 2 tests
30°, 2 tests
Storage/transportation temperature
-40°C to +70°C
Free fall (EN 60068-2-32):
product in transport packaging
product in sale packaging

1 000mm
300mm


Safety requirements

Rated insulation resistance:
300V AC
Rated surge voltage:
2 500V
Overvoltage category
Class II
Housing protection degree (EN 60529)
IP20
Fire resistance grade (UL94)
V0


Electromagnetic Compatibility (EMC) requirements

Radiated interference emission (EN 55011)
NEED..-x1-08-4R
NEED..-x1-16-8R

Boundary value class A, group 1
Boundary value class B, group 1
Conducted interference emission (EN 55011)
NEED..-x1-08-4R
NEED..-x1-16-8R

Boundary value class A, group 1
Boundary value class B, group 1
Resistance to electrostatic discharge (EN 61000-4-2)
8kV – airborne discharge
4kV – surface discharge
Susceptibility to radio frequency electromagnetic fields (EN 61000-4-3)
10V/m
80MHz – 1 000MHz
800MHz – 960MHz
1,4GHz – 2,0GHz
A series of fast electrical transient states (EN 61000-4-4):
NEED-230AC-x1-..


NEED-24DC-x1-.., NEED-12DC-x1-..

2kV– power leads
2kV – signal wires

2kV – power leads
1kV – signal wires
High energy surge (EN 61000-4-5):
NEED-230AC-x1-..
power supply port


input circuit ports


NEED-12DC-x1-.., NEED-24DC-x1-..
power supply port


input circuit ports (unshielded lines)



2kV–asymmetric signal
1kV – symmetric signal


2kV– asymmetric signal
1kV – symmetric signal

1kV– asymmetric signal
0,5kV – symmetric signal


0,5kV– asymmetric signal
0,5kV – symmetric signal

Resistance to radio frequency interference 3V,
26 - 80MHz


Power supply circuit

Power supply voltage:
NEED-230AC-x1-..
rated value
operating range

NEED-24DC-x1-..
rated value
operating range

NEED-12DC-x1-..
rated value
operating range



115/230V AC, 60/50Hz
95V - 260V AC


24V DC
19,6V - 28,8V DC


12V DC
10,2V - 14,4V DC
Rated current (for high states on all inputs and outputs)
NEED-230AC-x1-08-4R
NEED-24DC-x1-08-4R
NEED-12DC-x1-08-4R

NEED-230AC-x1-16-8R
NEED-24DC-x1-16-8R
NEED-12DC-x1-16-8R

19mA
70mA
120mA

40mA
160mA
260mA
Max. power consumption:
NEED-230AC-x1-08-4R
NEED-24DC-x1-08-4R, NEED-12DC-x1-08-4R

NEED-230AC-x1-16-8R
NEED-24DC-x1-16-8R, NEED-12DC-x1-16-8R

<5VA
<3W

<10VA
<5W
Higher harmonics in the power supply signal
NEED-230AC-x1-..
< 10% of the voltage value of the fundamental component
Current protection in the power supply circuit
NEED-230AC-x1-..
NEED-24DC-x1-16-8R, NEED-12DC-x1-16-8R

600mA
500mA (protection against change of polarity)
Power stoppages (EN 61131-2)
20ms
Real time clock maintenance
64h w T=+25°C
24h w T=+55°C


Specification of input circuits

Digital inputs type (EN 61131-2) Type 1 (current receiving inputs)
Quantity
NEED..-x1-08-4
NEED..-x1-16-8
8 (I1-I8)
16 (I1-I16)
Visualization of logical status LED diodes
Rated voltage:
NEED-230AC-x1-08-4
(f=50Hz)
for the logical state of ‘1’
for the logical state of ‘0’

NEED-230AC-x1-16-8
(f=50Hz)
for the logical state of ‘1’
for the logical state of ‘0’

NEED-24DC-x1-..
for the logical state of ‘1’
for the logical state of ‘0’

NEED-12DC-x1-..
for the logical state of ‘1’
for the logical state of ‘0’



85V - 260V
0V - 40V



85V - 260V
0V - 32V


15V - 40V
-3V - 5V


8V - 26V
-1,5V - 4V
Input current for the logical state of ‘1’:
NEED-230AC-x1-08-4 (for 230V AC)



NEED-24DC-x1-08-4 (for 24V DC)


NEED-12DC-x1-08-4 (for 12V DC)


NEED-230AC-x1-08-4 (for 230V AC)



NEED-24DC-x1-08-4 (for 24V DC)


NEED-12DC-x1-08-4 (for 12V DC)

0,6mA (I1 - I4)
8mA (I5 - I6)
0,9mA (I7 - I8)

3,3mA (I1 - I6)
2,0mA (I7 - I8)

3,3mA (I1 - I6)
1,1mA (I7 - I8)

0,6mA (I1 - I11)
8mA (I12 - I13)
1,5mA (I14 - I16)

3,3mA (I1 - I13)
2,0mA (I14 - I16)

3,3mA (I1 - I13)
1,1mA (I14 - I16
Maximum delay time for transition from the logical state of ‘0’ to ‘1’:
NEED-230AC-x1-..
Contact rebound elimination ON
Contact rebound elimination OFF

NEED-24DC-x1-.., NEED-12DC-x1-..
Contact rebound elimination ON
Contact rebound elimination OFF


60ms
20ms


21ms
0,20ms + program cycle time
Maximum delay time for transition from the logical state of ‘1’ to ‘0’:
NEED-230AC-x1-..
Contact rebound elimination ON
Contact rebound elimination OFF

NEED-24DC-x1-.., NEED-12DC-x1-..
Contact rebound elimination ON
Contact rebound elimination OFF


60ms
20ms


21ms
0,25ms + program cycle time
Rated insulation resistance 300V AC
Galvanic separation:
from power supply voltage
mutual
from outputs

no
no
yes
MMaximum allowed lead length (the L and signal leads run together):
NEED-230AC-x1-08-4
for digital inputs I1 – I4
for digital inputs I5 – I6
for digital inputs I7 – I8

NEED-230AC-x1-16-8
for digital inputs I1 – I11
for digital inputs I12 – I13
for digital inputs I14 – I16

NEED-24DC-x1-08-4, NEED-12DC-x1-08-4
for digital inputs I1 – I8

NEED-24DC-x1-16-8, NEED-12DC-x1-16-8
for digital inputs I1 – I16


10m
100m
10m


10m
100m
10m


100m


100m


Output circuits specification
Digital outputs type (EN 61131-2) Relay type – NO contacts, w/o protection
(AC digital outputs supplying a current)
Quantity
NEED..-x1-08-4R

NEED..-x1-16-8R

4

8
Visualization of logical status LED diodes
Parallel connection of outputs for improving load capacity Not allowed
External protection of the output circuit 16A (installation switch B16)
Rated load current in AC1 category 10A AC
Rated load voltage in AC1 category 250V AC
Minimum contact current 10mA
Minimum contact voltage 10V
Contact resistance <100mOhm
Total output current (EN 61131-2)
NEED..-08-4R
NEED..-16-8R

40A (4x10A)
80A (8x10A)
Rated insulation resistance
reinforced
basic
300V
between inputs and outputs
between outputs
Contact gap test voltage 1 000V AC
Operating time 7ms
Recovery time 3ms
Max. connection frequency
at rated load (AC1 category)
w/o load

600 cycles/h
72 000 cycles/h
Contact life
in AC1 category
depending on the T time constant (L/R=40ms)

>1,7*105(10A 250V AC)
>105(0,15A 220V DC)
Mechanical life 3*107connection cycles
Galvanic separation:
from supply voltage
from digital inputs
PC connector and the memory card

yes
yes
yes


Specification of analog input circuits

Input type Analog inputs
Quantity:
NEED..-x1-08-4
NEED..-x1-16-8

2 (I7 – I8)
3 (I14– I16)
Input type
NEED-230AC-x1-..
NEED-12DC-x1-.., NEED-24DC-x1-..
NEED-12DC-x1-16-8, NEED-24DC-x1-16-8

voltage, alternating signal
voltage, fixed signal
current, fixed signal
Input impedance:
NEED-230AC-x1-08-4 dla I7 – I8

NEED-230AC-x1-16-8 dla I14 – I16

NEED-230AC-x1-08-4 dla I5 – I6
NEED-230AC-x1-16-8 dla I12 – I13
NEED-230AC-x1-08-4 dla I1 – I4
NEED-230AC-x1-16-8 dla I1 – I11
NEED-24DC-x1..
NEED-12DC-x1-..
NEED-24DC-x1-16-8, NEED-12DC-x1-16-8
for I14 – I16 in the current range

ok. 200kOhm for the positive half-wave
ok. 400kOhm for the negative half-wave
ok. 200kOhm for the negative half-wave
ok. 400kOhm for the negative half-wave
28,75kOhm
28,75kOhm
400kOhm
400kOhm
12,36kOhm
10,92kOhm

49Ohm
Range of input signals:
NEED-230AC-x1-..
NEED-24DC-x1-..
NEED-12DC-x1-..
NEED-24DC-x1-16-8
NEED-12DC-x1-16-8

0V - 255V AC
-3V - 25,5V DC
-1,5V - 14,4V DC
0mA - 51mA (in the current range)
0mA - 51mA (in the current range)
Input current:
NNEED-230AC-x1-08-4 (for 230V AC)
NEED-24DC-x1-08-4 (for 24V DC)
NEED-12DC-x1-08-4 (for 12V DC)
NEED-230AC-x1-16-8 (for 230V AC)
NEED-24DC-x1-16-8 (for 24V DC)
NEED-12DC-x1-16-8 (for 12V DC)

0,9mA
2,0mA
1,1mA
1,5mA
2,0mA
1,1mA
Digital resolution:
NEED-230AC-x1-..
NEED-12DC-x1-08-4 (voltage range)
NEED-12DC-x1-16-8 (voltage range)
NEED-24DC-x1-08-4 (voltage range)
NEED-24DC-x1-16-8 (voltage range)
NEED-12DC-x1-16-8 (current range)
NEED-24DC-x1-16-8 (current range)

1V
0,1V
0,1V or 0,05V
0,1V
0,1V or 0,05V
0,2mA or 0,1mA
0,2mA or 0,1mA
Maximum allowed sustained overload:
NEED-230AC-...
NEED-24DC-...
NEED-12DC-...

300V AC
40V DC
26V DC
Analog input error:
maximum error in 25°C
NEED-230AC-x1-...
NEED-24DC-x1-.., NEED-12DC-x1-..


±3% of the measuring range
±2% of the measuring range
Crosstalk between channels 36dB
Nonlinearity ±3%
Galvanic separation:
from power supply voltage
from digital inputs
from digital inputs
from the programming connector

no
yes
yes
no


Central unit and memory
User program memory capacity.
NEED..-x1-08-4
NEED..-x1-16-8

862 bytes
835 bytes 
Type of memory available EEPROM
Programming languages (EN 61131-3) Text (STL),
Graphical (LAD)
Program resources
NEED..-x1-08-4:
Markers
Timers
Timers Accuracy
Counters (counting up/down)
Counted values
Comparators
Number of possible comparison operations:
Weekly clock
Real time clock
Real time clock accuracy

NEED..-x1-16-8
Markers
Marker of L1, L2, L3 phases
Timers
Timers Accuracy
Counters (counting up/down)
Counted values
Fast Counter (up 20kHz)
Comparators
Comparator comparisons
Weekly clock
Real time clock
(supports time zones)
Real time clock accuracy


16
8
±1% of the set value + (0 - 1)ms
8
0-65535
8
10
4x4 channels
1
±3 s/day


16
1
16
±1% of the set value + (0 - 1)ms
8
0-65535
1
12
22
4x4 channels
1

±3 s/day
Remanence:
Clock up keep time
Markers
Counters
Timers

64h (in 25°C), 24h (in 40°C)
M1 - M16
C5 - C8
T5 - T8


External memory card

Connector description
NEED-M-1K (type A connector)
NEED-M-1KB (type B connector)

Two-row connector
One-row connector
Dimensions (length x height x depth) 30mm x 11mm x 5mm
Weight 2g
Memory type EEPROM
Memory capacity 1KB
Connector interface type I2C


Dedicated cable

Connector description
NEED-PC-15A (type A connector)
NEED-PC-15B type B connector)

Two-row connector
One-row connector
Cable length 2m
Weight 90g
Connection method:
- with PC
- with relay

9 pin D-Sub
dedicated port
Cable type RS 232
Digital data transmission speed 19200bit/s
Data validation checksums


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