ZIEHL STW1000V2 User manual

ZIEHL industrie –elektronik GmbH + Co KG
Daimlerstr.13, 74523 Schwäbisch Hall, Germany
+ 49 791 504-0, [e-mail], www.ziehl.de
Temperature Relays and MINIKA® Mains Monitoring Digital Panelmeters MINIPAN® Switching Relays and Controls Measuring Transducers Grid- and Plant Protection
Operating Manual STW1000V2
updated: 2023-06-01 / dr
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- Current relay for monitoring almost any measured variable in connection with measuring
transducers, e.g. in systems and controls

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Table of contents
1General Notes......................................................................................................................................... 2
2Display and controls .............................................................................................................................. 2
3Application and short description......................................................................................................... 2
4Overview of functions............................................................................................................................ 3
5Application.............................................................................................................................................. 3
6Connecting diagram............................................................................................................................... 3
7Important Information ............................................................................................................................ 4
8Installation .............................................................................................................................................. 4
9Commissioning....................................................................................................................................... 4
10 Technical data ........................................................................................................................................ 5
11 Housing Type V2 .................................................................................................................................... 6
12 Disposal .................................................................................................................................................. 6
1 General Notes
Compliance with the following instructions is mandatory to ensure the functionality and safety of the
product. If the following instructions given especially but not limited for general safety, transport,
storage, mounting, operating conditions, commissioning and disposal / recycling are not observed,
the product may not operate safely and may cause a hazard to the life and limb of users and third
parties.
Deviations from the following requirements may therefore lead both to the loss of the statutory
material defect liability rights and to the liability of the buyer for the product that has become unsafe
due to the deviation from the specifications.
2 Display and controls
•Potentiometer „IN“ for limit
•LED Power
•Potentiometer „Hys“ for hysteresis
•LED Relays an
•Potentiometer „don“ for switch-on delay
•Potentiometer „doff“ for switch-off delay
3 Application and short description
ZIEHL STW1000V2 current relays monitor standard signals from instrument transformers for compliance with
a limit value. Units can be wired in series (current) or in parallel (voltage) to monitor multiple limits.
Measurement inputs for 0/4-20 mA and 0-10 V, adjustable hysteresis and switching delays plus the selection
facility to choose between the normally closed current and normally opened current principle for the relay
make it a universal limit switch.

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4 Overview of functions
•Measurement inputs 0-20 mA / 0-10 V
•switchable to 4-20 mA / 2-10 V
•Limit adjustable 0-100 %
•Hysteresis adjustable 5-30 %
•On-delay adjustable 0.1... 10 s
•Response-delay adjustable 0.1... 10 s
•Output relay 1 change-over contact
•Operating or close-circuit current with bridge selectable
•LEDs for service condition display
•Universal power supply AC/ DC 24-240 V
•Panel mounted distributor housing 35 mm wide (2 TE), Installation height 55 mm
5 Application
1) 0...20 mA, 0...10 V
2) 4...20 mA, 2...10 V
3) closed current
4) operating current
6 Connecting diagram
Hysteresis
Limit
11
12
14
IN
1) doff, 2) don, 3) Kurzschluss bei 4...20 mA / 2...10 V
Ruhestrom/
closed current 1) 2) 1) 2)2)1)
Relay on
11
12
14
Arbeitsstrom/
operating current
Relay on
3)
2) 1) 2) 1)1)2)
1) doff, 2) don, 3) short at 4…20 mA / 2…10 V

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7 Important Information
DANGER!
Hazardous voltage!
Will cause death or serious injury. Turn off and lock out all power
supplying this device before working on this device.
Before connecting the power supply Us, check if the connected
supply voltage matches the defined supply voltage on the type of plate.
To use the equipment flawless and safe, transport and store properly, install and start professionally and
operate as directed.
Only let persons work with the equipment who are familiar with installation, start and use and who have
appropriate qualification corresponding to their function. They must observe the contents of the instruction’s
manual, the information which are written on the equipment and the relevant security instructions for the
setting up and the use of electrical units.
The equipment is built according to DIN VDE/EN/IEC and checked and leave the plant according to security
in perfect condition. If, in any case the information in the instruction’s manual is not sufficient, please contact
our company or the responsible representative.
To maintain this status, you must observe the safety regulations entitled “caution” in this operating manual.
Failures to follow the safety regulations can result in death, personal injury, or property damage to the device
itself and to other devices and facilities.
To maintain this condition, you must observe the safety instructions in this instruction manual titled “Important
Information”. Failure to follow the safety instructions may result in death, personal injury, or property damage
to the equipment itself and other equipment and facilities.
Instead of the industrial norms and regulations written in this instruction manual valid for Europe, you must
observe out of their geographical scope the valid and relevant regulations of the corresponding country.
8 Installation
•mount on 35 mm mounting rail according to EN 60715
•wall-mount with 3 x screws M4
•connecting wires refer to the connection plan to prevent miss-operation and malfunction.
9 Commissioning
Apply control voltage and voltage/current signal according to the wiring diagram.
Select the range and relay function by connecting the optional jumpers to terminals 1 –GND and 2 –GND.
Set limit values and delay times on the potentiometers.

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10 Technical data
Rated supply voltage Us:
DC/AC 24 –240 V 0/50/60 Hz
Tolerance
DC 20,4 - 297 V AC 20 - 264 V
Power consumption
< 2 W < 3 VA
Output relay K1:
1 changer
Switching voltage
max. AC 250 V; DC 300 V
min. voltage / current
12 V 10 mA
conventional thermal current Ith
max. 3 A
Switching power max. AC cos φ = 1
750 VA
Contact life electrical
2 x 105switching cycles at AC 250 V / 3 A
5 x 105switching cycles at AC 250 V / 2 A
1 x 106switching cycles at AC 250 V / 0,8 A
switching capacity utilization category
AC-15 Ie = 2 A Ue = 250 V
rated operational current
rated operational voltage
DC-13 Ie = 2 A Ue = 24 V
DC-13 Ie = 0,8 A Ue = 60 V
DC-13 Ie = 0,4 A Ue = 120 V
DC-13 Ie = 0,2 A Ue = 240 V
Inputs:
power input
DC 0/4…20 mA, 20 Ω
voltage input
DC 0…10 V, 63 Ω
switching point / limit value:
limit IN
Adjustable 0…100 %
Hysteresis Hsy.
Adjustable 5…30 % from the set limit
setting error
< 10 % from the final value
repetitive error
< 0,2 % from the set limit
temperature influence
< 0,05 %/K
Power on suppression don
Adjustable 0,1…10 s
response delay doff
Adjustable 0,1…10 s
Test conditions:
EN 61010-1
Rated impulse voltage
4000 V
Overvoltage category
III
Pollution degree
2
Rated insulation voltage Ui
300 V
On-period
100 %
EMC-tests:
EN 61326-1 industrial environment
Emission
EN 61326-1; CISPR 11 Class B
Immunity
EN 61326-1 industrial environment
Electrical fast transient/Burst
EN 61000-4-4 ±4 kV
Pulse 5/50 ns, f = 5 kHz, t = 15 ms, T = 300 ms
SURGE immunity
IEC 61000-4-5 ±2 kV
Installation conditions:
Permissible ambient temperature
-20 °C ... +55 °C
Permissible storage temperature
-40 °C …+70 °C
Installation height
< 2000 m over N.N.
Climatic conditions
5-85% rel. F., no condensation
Permissible wiring temperature
-5 °C …+70 °C
Vibration resistance EN 60068-2-6
2 … 13,2 Hz ±1 mm 13,2 ... 100 Hz 1 g
2…25 Hz ±1,6 mm 25 ... 150 Hz 5 g

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Housing:
Type V2
installation depth
55 mm
Width
2 TE
Dimensions (W x H x D)
35 x 90 x 58 mm
Line connection solid wire
1 x 0,34 - 2,5 mm² / AWG 22 - 12
Stranded wire with insulated ferrules
1 x 0,1 -1,5 mm² / AWG 27 - 14
stripping length / torque
8 mm / 0,5 Nm
Protection class housing / terminals
IP 30 / IP20
Mounting
Snap mounting on 35 mm standard rail EN60715 or
M4 screws (additional bar not included)
Weight
app. 100 g
Subject to technical changes
11 Housing Type V2
All dimensions in mm
1 cover
2 base
3 bar for snap mounting
4 latch for sealing
5 front panel
6 position downward
7 for fixing to wall with screws Ø 4,2 mm
12 Disposal
Disposal should be carried out properly and in an environmentally friendly manner in
accordance with legal provisions.
ZIEHL is registered with the EAR Foundation under WEEE no.: DE 49 698 543.
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