Tension link

Name: Tension link
Brand: WIKA

With thin-film technology from 5 kN

Price

On request

Depends on configuration

Request a quote

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Description

Tension links are designed for static and dynamic measurement tasks in the direct flux of force. As a load-bearing component in existing constructions, they determine the tension forces in a wide scope of applications.

Tension links of these models are often used in hoist and crane systems as torque support or rope fix point for load measurements. Further application areas are special machine constructions, e. g. in polymer processing machines.

Appropriate technical and regional approvals are available as an option.

For further approvals see page 4

Fig. above: Tension link, model F7301

Fig. below: Tension link, model F73C1

The tension links of the model F73x1 are either made of high-strength, corrosion-resistant stainless steel 1.4542 or robust fine-grained steel with surface protection. Due to their properties, these materials are particularly suitable for the applications of tension links.

As output signals, the common active current and voltage outputs are available (4 … 20 mA, 0 … 10 V). Redundant output signals and CANopen ® protocols are also possible.

These force transducers can be integrated into a certified WIKA overload protection with model ELMS1 (DIN EN ISO 13849-1 with PL d/cat. 3).

Special features

Measurement ranges from 0 ... 5 kN [0 ... 1,124 lbf]
Fine-grained structural steel with high-quality surface protection or in corrosion-resistant stainless steel version
High long-term stability, high shock and vibration resistance, excellent reproducibility
For dynamic and static measurements
Redundant output signal is possible

Specifications are being prepared — full datasheet available on request.

Tables from datasheet

Models	F7301 and F73C1 with UL	F73S1
Rated force F nom kN [lbf]	≥ 5 [≥ 1,124]
Relative linearity error d lin 1)	±0.5%F nom
Relative repeatability error in unchanged mounting position b rg	±0.5%F nom
Temperature effect on
characteristic valueTK c	0.2%F nom /10 K
zero signalTK 0	0.2%F nom /10 K
Force limit F L	150%F nom
Breaking force F	300%F nom
B Shear force influence d Q (Signal with 100%F nom under 90°) 2)	±2%F nom
Rated displacement (typ.) s nom	< 0.1 mm[< 0.004 in]
Material of measuring device	■ Corrosion-resistant stainless steel, 1.4542, ultrasound-tested 3,1 material ■ Version with 3,2 material available
Rated temperature B T, nom	-20 …+80 °C [-4 ...+176 °F]
Operating temperature B T, G	-30 …+80 °C [-22 ...+176 °F]	-30 …+80 °C [-22 ...+176 °F]
Storage temperature B T, S	-40 …+85 °C [-40 ...+185 °F]
Electrical connection	■ Circular connector M12 x 1, 4-pin or 5-pin ■ CANopen ® Circular connector M12 x 1, 5-pin ■ MIL connector	■ 2-circular connector M12x1, 4-pin ■ MIL connector
Output signal (rated output) C nom	■ 4 …20mA, 2-wire, ■ 4 …20mA, 3-wire ■ 2 x 4 …20mA, redundant ■ DC 0 …10V, 3-wire ■ DC 2 x 0 …10Vredundant ■ Signal jump 4 ... 16 mA, 2-wire 5) DC 2 ... 8 V, 3-wire 5) ■ CANopen ® Protocol in accordance with CiA ® 301, device profile CiA ® 404, communication services LSS (CiA ® 305), configuration of the instrument address and baud rate Sync/Async, Node/ Lifeguarding, heartbeat; zero and span ±10% 3)	Redundant opposing 4…20mA/20…4mA Version in accordance with requirements for functional safety per machinery directive 2006/42/EC asWIKA overload protection with model ELMS1 (DIN EN ISO 13849-1 with PL d/cat. 3).
Current consumption	■ Current output 4 …20mA, 2-wire: signal current ■ Current output 4 …20mA, 3-wire:<8mA ■ Voltage output:<8mA ■ CANopen ® :<1W	Current output 4 …20mA, 2-wire: signal current
Supply voltage UB	■ DC 9 ...36V for current output ■ DC 13 ...36V for voltage output ■ DC 9 ...36V for CANopen ®	DC 10 …30Vfor current output
Burden	■ ≤ (UB - 10 V) / 0.024 A for current output ■ > 10 kΩ for voltage output	■ ≤ (UB - 10 V) / 0.020 A (channel 1) for current output ■ ≤ (UB - 7 V) / 0.020 A (channel 2) for current output
Response time	≤ 2 ms (within 10 ...90%F nom ) 4)
Protection (per EN/IEC 60529)
Unplugged condition	IP66, IP67	IP67
Plugged condition	IP68, IP69, IP69K
Electrical protection	Reverse voltage, overvoltage and short-circuit protection
Vibration resistance	20 g, 100 h, 50...150 Hz (acc. to DIN EN 60068-2-6)
Shock resistance	In accordance with DIN EN 60068-2-27
Immunity	■ In accordance with DIN EN 61326-1/DIN EN 61326-2-3 ■ EMC-strengthened version

Models	F73C1 ATEX/IECEx EX ib 1)
Rated force F nom kN [lbf]	≥ 5 [≥ 1,124]
Relative linearity error d lin 2)	±0.5%F nom
Relative repeatability error in unchanged mounting position b rg	±0.5%F nom
Temperature effect on
characteristic valueTK c	0.2%F nom /10 K
zero signalTK 0	0.2%F nom /10 K
Force limit F L	150%F nom
Breaking force F B	300%F nom
Shear force influence d Q (Signal with 100% F nom under 90°) 3)	±2%F nom
Rated displacement (typ.) s nom	< 0.1 mm[< 0.004 in]
Material of measuring device	■ Corrosion-resistant stainless steel, 1.4542, ultrasound-tested 3,1 material ■ Version with 3,2 material available
Rated temperature B T, nom	-20 …+80 °C [-4 ...+176 °F]
Operating temperature B T, G	Ex II 2G Ex ib IIC T4 Gb -25 °C <Tamb < +85 °C Ex II 2G Ex ib IIC T3 Gb -25 °C <Tamb < +100 °C Ex I M2 Ex ib I Mb -25 °C <Tamb < +85 °C Ex II 2G Ex ib IIC T4 Gb -40 °C <Tamb < +85 °C Ex I M2 Ex ib I Mb
Storage temperature B T, S	-40 …+85 °C [-40 ...+185 °F]
Electrical connection	■ Circular connector M12x1, 4-pin ■ MIL connector ■ Cable gland
Output signal (rated output) C nom	4 …20mA, 2-wire
Current consumption	Current output 4 …20mA2-wire:signal current
Supply voltage UB	DC 10 ...30V for current output
Burden	■ < (UB - 10 V) / 0,024 A for current output ■ > 10 kΩ for voltage output
Response time	≤ 2 ms (within 10 ...90%F nom ) 4)
Protection (acc. to EN/IEC 60529)	IP67
Electrical protection	Reverse voltage, overvoltage and short-circuit protection
Shock resistance	20 g, 100 h, 50...150 Hz acc. to DIN EN 60068-2-6
Immunity	■ In accordance with DIN EN 61326-1/DIN EN 61326-2-3 ■ EMC-strengthened version

Logo	Description	Region
	EU declaration of conformity EMCdirective	European Union

Logo	Description	Region
	ATEX directive 1) per EN 60079-0:2012 and EN 60079-11:2012 (Ex ib) Hazardous areas Ex ib Ex II 2G Ex ib IIC T4 Gb -25 °C <T amb < +85 °C Ex II 2G Ex ib IIC T3 Gb -25 °C <T amb < +100 °C Ex I M2 Ex ib I Mb 3) -25 °C <T amb < +85 °C Ex II 2G Ex ib IIC T4 Gb -40 °C <T amb < +85 °C	European Union
	IECEx 2) per IEC 60079-0:2011 (Ed. 6) and IEC 60079-11:2011 (Ed. 6) (Ex ib) Hazardous areas Ex ib Ex ib IIC T4/T3 Gb -25 °C <T amb < +85 °C Ex ib IIC T4 Gb -25 °C <T amb < +100 °C Ex ib I Mb 3) -25 °C <T amb < +85 °C Ex ib IIC T4 Gb -40 °C <T amb < +85 °C	International
	UL 2) per UL 61010-1 and CSA C22.2 Number 61010-1 Component approval	USA and Canada
	EAC EMCdirective	Eurasian Economic Community
	EAC Ex 1) Hazardous areas Ex ib Ex ib IIC T3 Gb -40 °C <Tamb < +100 °C Ex ib IIC T3 Gb -45 °C <Tamb < +100 °C Ex ib IIC T4 Gb -40 °C <Tamb < +85 °C Ex ib IIC T4 Gb -45 °C <Tamb < +100 °C	Eurasian Economic Community

View all (20)

Signal	Description
UB	Voltage source for sensor
UB+	Sensor-supply voltage (+)
UB-	Sensor-supply voltage (-)
S+	Output signal (+)
S-	Output signal (-)
0 V	0V potential

Signal	Description
A	Ammeter
V	Voltmeter
+ -	Voltage source
	Switch
	Shield (grounding)

Signal	4 ... 20 mA, 2-wire	Cable colour
UB+/S+	1	Brown
0 V/S-	3	Black
Shield	Case/connector	-

Signal	4 ... 20 mA, 3-wire	Cable colour
UB+	1	Brown
S+	4	Black
0 V/S-	3	Blue
Shield	Case/connector	-

Signal	0 ... 10 V, 3-wire	Cable colour
UB+	1	Brown
S+	4	Black
0 V/S-	3	Blue
Shield	Case/connector	-

Signal	Description
UB	Voltage source for sensor
UB+	Sensor-supply voltage (+)
UB-	Sensor-supply voltage (-)
UR	Voltage source for den signal jump
UR+	Signal jump-supply voltage (+)
UR-	Signal jump-supply voltage (-)
S+	Output signal (+)
S-	Output signal (-)
0 V	0V potential

Signal	Description
A	Ammeter
V	Voltmeter
+ -	Voltage source
	Switch
	Shield (grounding)

Signal	4 ... 20 mA, 2-wire	Cable colour
UB+/S+	1	Brown
0 V/S-	3	Blue
UR+	2	White
UR-	4	Black
Shield	Case/connector	-

Signal	4 ... 20 mA, 3-wire	Cable colour
UB+	1	Brown
0 V/S-	3	Blue
UR+	2	White
UR-	3	Blue
S+	4	Black
Shield	Case/connector	-

Signal	0 ... 10 V, 3-wire	Cable colour
UB+	1	Brown
0 V/S-	3	Blue
UR+	2	White
UR-	3	Blue
S+	4	Black
Shield	Case/connector	-

Signal	Description
UB	Voltage source for sensor
UB+	Sensor-supply voltage (+)
UB-	Sensor-supply voltage (-)
S+	Output signal (+)
S-	Output signal (-)
CH1	Channel 1
CH2	Channel 2
CH1+2	Channel 1 and channel 2
0 V	0V potential

Signal	Description
A	Ammeter
V	Voltmeter
+ -	Voltage source
	Switch
	Shield (grounding)

Signal	4 ... 20 mA, 2-wire	Cable colour
UB+/S+ (CH1)	1	Brown
UB+/S+ (CH2)	2	White
0 V/S- (CH1)	3	Blue
0 V/S- (CH2)	4	Black
Shield	Case/connector	-

Signal	4 ... 20 mA, 3-wire	Cable colour
UB+ (CH1+2)	1	Brown
0 V/S- (CH1+2)	3	Blue
S+ (CH1)	4	Black
S+ (CH2)	2	White
Shield	Case/connector	-

Signal	0 ... 10 V, 3-wire	Cable colour
UB+ (CH1+2)	1	Brown
0 V/S- (CH1+2)	3	Blue
S+ (CH1)	4	Black
S+ (CH2)	2	White
Shield	Case/connector	-

Signal	Description
UB	Voltage source for sensor
UB+	Sensor-supply voltage (+)
UB-	Sensor-supply voltage (-)
S+	Output signal (+)
S-	Output signal (-)
CH1	Channel 1
CH2	Channel 2
CH1+2	Channel 1 and channel 2
0 V	0V potential