Daiichi Electronics STT2-92A Instruction Manual Download Page 11

Q-222-038 

 

10 

 

7.5 EMC 

 

Item 

Specification 

Electrostatic 
discharge immunity 
test 

Contact discharge 
  ±4kV (Charge voltage) 
Air discharge 
  ±8kV (Charge voltage) 

Performance 
standard:B 

After test:Within 
 inherent error 

EN61000-6-2 
EN61000-4-2 

Radiated, 
radio-frequency, 
electromagnetic  
field immunity test 

Frequency:① 80 to 1000MHz 

Performance 
standard:A 

During testing: 

Within ±20% error 

After test:Within 
 inherent error 

EN61000-6-2 
EN61000-4-3 

② 1.4 to 2.0GHz  
③ 2.0 to 2.7GHz 

Field strength:① 10V/m  

② 3V/m  
③ 1V/m 

Amplitude modulation:80%AM (1kHz) 

Electrical fast 
transient / burst 
immunity test 

Power port 
(DC) 

±2.0kV 

Performance 
standard:B 

After test:Within 
 inherent error 

EN61000-6-2 
EN61000-4-4 

Power port 
(AC) 

±2.0kV 

Signal port  ±1.0kV 

Surge immunity test 

Power port 
(DC) 

Line to ground ±0.5kV 
Line to line   ±0.5kV 

Performance 
standard:B 

After test:Within 
inherent error 

EN61000-6-2 
EN61000-4-5 

Power port 
(AC) 

Line to ground ±2.0kV 
Line to line   ±1.0kV 

Signal port  Line to ground ±1.0kV 

Immunity to conducted 
disturbances, induced 
by radio frequency 
fields 

Frequency:0.15 to 80MHz 
Voltage level:10V, 80%AM (1kHz) 

Performance 
standard:A 

During testing: 

Within ±20% error 

After test:Within 
 inherent error 

EN61000-6-2 
EN61000-4-6 

Power frequency 
magnetic field 
immunity test 

Frequency:50/60Hz 
Field strength:30A/m 

Performance 
standard:A 

During testing: 

Within ±20% error 

After test:Within 
 inherent error 

EN61000-6-2 
EN61000-4-8 

Voltage dips, short 
interruptions and 
voltage variations 
immunity tests (AC 
power supply port) 

Residual voltage:0%, 1 cycle 

Performance 
standard:B 

After test:Within 
 inherent error 

EN61000-6-2 
EN61000-4-11 

Residual voltage:40%, 10/12 cycle 

Performance 
standard:C 

After test:Within 
 inherent error 

Residual voltage:70%, 25/30 cycle 
Residual voltage:0%, 250/300 cycle 

Electromagnetic 
radiation disturbance 

Frequency band 30 to 230MHz, 10m distance:40dB (μV/m) or less 
Frequency band 230 to 1000MHz, 10m distance:47dB (μV/m) or less 

EN61000-6-4 
EN55011 
classA, Group1 

Terminal interference 
voltage 

Power port (AC): 

Frequency band 0.15 to 0.5MHz, Quasi-peak:79dB or less,  

Average   :66dB or less 

Frequency band 0.5 to 30MHz,   Quasi-peak:73dB or less, 

Average   :60dB or less 

Performance standard A:During and after the test the equipment shall be able to continue operation as  

specified. 

Performance standard B:The equipment shall be able to continue operation as specified after the test. 

However, performance degradation during testing is allowed. 

Performance standard C:Temporary loss of function is allowed, but the function can be self-healing or  

can be recovered by operation of the control device. 

 

Summary of Contents for STT2-92A

Page 1: ...Q 222 038 INSTRUCTION MANUAL V V PHASE ANGLE TRANSDUCER STT2 92A MODEL B...

Page 2: ...ase do not install in the place where sunlight hits directly Discoloration and degradation of a name plate and deformation of the case by the surface temperature rise may occur If the average daily te...

Page 3: ...our company Failure caused by violating various conditions regarding use storage etc specified by the supplier When the faults or defects are caused by a reason not belongs to purchased or delivered p...

Page 4: ...thod 4 5 Connection 6 6 Handling explanation 7 7 Specification 7 1 Rating 8 7 2 Performance 8 7 3 Electrical strength Mechanical strength 9 7 4 Noise immunity 9 7 5 EMC 10 7 6 Structure and environmen...

Page 5: ...certificate 1 Packed in an envelope Terminal screw in a bag M4 screw 4 piece set 1 M4 screw 5 piece set 1 4 Mounting method Please install indoors in a place with low mechanical vibration dust and co...

Page 6: ...e this product from the IEC DIN rail Please insert a flathead screwdriver in the hole where a slider is square Next a slider is lowered in the direction of an arrow This product can be removed from th...

Page 7: ...ss Tightening torque 1 0 to 1 3 N m Connection diagram AUX SUPPLY OUTPUT A B 1 U LOAD 2 3 V U E LOAD 4 V 1 2 BUS 2 START 1 Grounding is class D grounding grounding resistance 100 or less If there is a...

Page 8: ...adjustment range is BIAS 5 of the output span MAX 5 of the output span Use only when adjustment is required for matching with connected devices 5 The output value when only the auxiliary power supply...

Page 9: ...r to the specification code for other ratings 7 2 Performance Item Specification Class index 1 0 Response time 1 second or less Ripple 1 p p or less Fluctuation value of influence due to ambient tempe...

Page 10: ...tion of rated voltage DC100 110V DC57V continuous DC48V Short time over input Input 2 times 10 seconds of rated voltage once 2 times 1 second of rated voltage 10 times 10 second intervals Aux supply 1...

Page 11: ...61000 4 6 Power frequency magnetic field immunity test Frequency 50 60Hz Field strength 30A m Performance standard A During testing Within 20 error After test Within inherent error EN61000 6 2 EN61000...

Page 12: ...d 7 7 Technical standards Item Specification Transducer JIS C 1111 2019 IEC 60688 2012 CE marking EMC Directive 2014 30 EU EN 61000 6 2 EN 61000 4 2 3 4 5 6 8 11 EN 61000 6 4 EN 55011 classA Group1 Lo...

Page 13: ...or 45 or 90 and adjust to the rated output value with MAX adjustment VR The screwdriver for adjustment Tip width of 1 8 to 2 3mm Phillips head screwdriver or flat blade screwdriver 10 Type compositio...

Page 14: ...Hitotsuya 1 chome Adachi ku Tokyo 121 8639 JAPAN TEL 81 3 3885 2411 FAX 81 3 3858 3966 Kyoto Office 1 19 Ichinobe Nishikawahara Jyoyou shi Kyoto 610 0114 JAPAN TEL 81 774 55 1391 FAX 81 774 54 1353 R...

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