1. Bn bit c nhng chun truyn thng cng nghip no? Ghi r.- CAN, CANOpen, Profibus, Profinet, Modbus, ..

2. Li ch ca vic dng mng trong t ng ha v iu khin.- D qun l, d truy cp, d thay th, bo tr

3. Khuyt im ca vic dng mng trong t ng ha v iu khin.- Tn km chi ph hun luyn ngi vn hnh, gim st

4. Cc chun truyn thng cng nghip thng thng dng bao nhiu level trong OSI model? Nhng level gi?- Dng 3 layer (level) trong m hnh OSI: Physical Layer ( Layer 1), Data Link Layer (Layer 2), Application Layer (Layer 7)

5. Nguyn l Encapsulation l g?-

6. Gii thch ngha ca cc hnh chp v hnh chp ngc trong vic phn chia cc level trong h thng t ng ha tch hp. Hnh chp: i t di ln, lng d liu tng dn: bits words 10 words files; v thi gian x l gim dn (do lng d liu ln ): ms 10 ms 100 ms seconds Hnh chp ngc: ngc li

7. Nu ni mng dng cable ng trc th ni n level no trong 7 level OSI model?- Physical Layer

8. Protocol tng ng vi g trong cuc sng i thng (ly v d). N thuc level no?- Ging nh ngn ng (language) trong cuc sng, thuc Application Layer

9. Ni n a ch ca 1 device trong mng tc l cp n level no?- Link layer

10. Ni n tnh chn/l ca 1 cng truyn thng trong mng tc l cp n level no?- Link layer

11. Ni n data ca 1 frame truyn trong mng tc l cp n level no?- Application layer

12. Half duplex v Full duplex l g?- Bn song cng v song cng. Bn song cng ti mi thi im tn hiu ch c th truyn theo mt hng, cn song cng ti mi thi im tn hiu c th truyn theo c 2 hng.

13. KB, kB, Kb, kb

14. Ti sao RS-485 truyn xa hn RS-232?- Trit nhiu tt hn

15. Mng AS-i c dng cho cp no?- Sensor

16. Mng Profibus DP dng cho level no?- Machine. (Profibus PA dng nhiu level Process)

17. Mng CANopen dng cho level no?- Machine

18. Mng DeviceNet dng cho level no?- Machine

19. Mng Profibus FMS dng cho level no?- Process

20. Broadcast v Unicast (master slave)- Broadcast: truyn thng cho tt c cc device trong mng khng cn feedback- Unicast: truyn thng cho 1 device

21. Trong ch broadcast (master - slave) c answer t slave khng (RS-485)?- Khng c. Nu c s xy ra ng

22. Ch broadcast c p dng cho php c khng (RS-485, Master c slave)?- Khng.

23. Vn kh khn nht theo bn trong truyn thng l g. Vn thuc layer no?- Gii quyt ng , thuc layer 2 (data link)

24. Bin tn c xp vo cp no trong h thng tch hp?- Machine

25. Distributed I/O c xp vo cp no trong h thng tch hp?- Machine

26. SCADA c xp vo cp no trong h thng tch hp?- Process

27. Nu ra 5 c ch media access Master-Slave, Token ring, Time Division Access (TDA), Random Access (bao gm 2 c ch nh l CSMA-CA v CSMA-CD )

28. Nu ra 4 protocols lm vic theo Master/SlaveAsi, Profibus, Modbus, CANopen, DeviceNet

29. Nu ra 4 levels in an enterprise information automation system. (h thng t ng ha trong CN)

30. Interbus s dng RS-485? RS-232 or RS-422RS422

31. Profibus DP s dng RS-485, RS-232 or RS-422RS485

32. Chiu di ti a ca mng RS-232?

33. Chiu di ti a ca mng RS-485? 1000 1200m

34. Ni rng: CANopen s dng Master-Slave trong trao i d liu, ng/sai?Sai. Ch trong ch cu hnh (configuration)

35. Modbus Plus s dng c ch truy cp bus nh th no?Token ring

36. Ethernet s dng CSMA-CD hay CSMA-CACSMA-CD

37. CANopen s dng CSMA-CD hay CSMA-CACSMA-CA

38. Profibus DP (multi master) s dng c ch truy cp bus nh th no?Random

39. Vit ra 5 network topologyRing, star, tree, grid, bus,

PROFIBUS40. C bao nhiu loi Profibus3 loi: Profibus FMS, Profibus DP v Profibus PA

41. Ti sao Profibus FMS khng pht trin tip tc ?Kh phc tp v t. do sau mt vi nm s dng, ngi ta pht trin ln Profibus DP

42. Profibus DP dng nhng level no ca OSI? Layer 1 v 2

43. MBP l gMBP (Manchester Bus Powered) l 1 chun giao tip c s dng trong Profibus PA. hiu n gin, thay v Profibus DP s dng chun RS 485 hay cp quang th Profibus PA dng chun MBP.

44. File GSD l gGSD l file cu hnh cho Profibus DP V0 (page 19). h tr cho vic cu hnh thit b, cc nh cung cp Profibus h tr nhng file GSD (General Station Description). Nhng file ny c th c c bi cng c cu hnh ly thng tin thit b trong mng.

45. C nhng version no ca Profibus DP3 version: Profibus DP V0, V1, V2

46. Coupler l g- The DP/DP Coupler allows you to 'couple' two PROFIBUS DP Masters together as the masters normally only talk to their slaves.. The DP/DP coupler acts as a slave for each DP Master and then they can exchange data between each other (ci ny search trn mng)- DP/PA coupler chuyn i d liu t bt ng b (11 bits/character) sang ng b (8bits/character). Chuyn i t l bit t 45.45kbit/s sang 31.35 kbit/s. DP/PA coupler khng cn cu hnh v c th dc pht hin bi station, power devices, current limit.- DP/PA coupler c 2 ch : khng chng chy (ti a 31 devices) v chng chy (ti a 10 devices)

47. Class 1 v Class 2 ca Profibus DP l g?Class 1 v 2 u l master. Master class 1: trao i vi cc trm(slaves) theo chu k nht nhMaster class 2: lp trnh v ci t cu hnh h thng

48. IEC 61158-2 v IEC 1158-2

49. S khc nhau gia Profibus DP-V0, DP-V1 v DP-V2

50. Proifibus PA thch hp vi chun IEC no?IEC 1158-2

51. C bao nhiu max Slave trong mng Profibus PA (cu ny cha chc chn)127

52. Profibus PA ch chng chy h tr ti a bao nhiu thit b ?10 thit b

53. Profibus FMS giao tip qua loi cable no

54. Li ch ca Profibus- tc cao, t ng ha trong nh my kh n gin- Drives and motor control- phc v iu khin qu trnh- hot ng c trong mi trng d chy n- c h thng an ton

55. Profibus no c s dng rng riProfibus DP

56. Profibus PA bn cht l t trn Profibus noPht trin da trn Profibus DP

57. Ti sao PA c s dng trong vn an ton

58. Nhc im ca Profibus DP

59. Ti sao Profinet c s dng rng ri

60. Kim soat truy cp bus l gXem cu 49

61. Tc truyn ph thuc nh th no vo chiu di truyn thng

62. S ni (6, 3, 8, 5) (8, 3)

63. Tng s node ti a k c master l bao nhiu trong Profibus PD

64. Mi segment ti a c bao nhiu thit b

65. Khung truyn c nh Profibus ti a bao nhiu byte

66. DP-V0 l g (xem cu 49)

67. DP-V1 l g (xem cu 49)

68. DP-V2 l g (xem cu 49)

69. Master lp 2 l g (xem cu 47)

70. Gii thch t cm vo l chy ca GSD filesXem cu 44.

71. Tc ti a ca Profibus PA31.25Kbps

72. S ging nhau PA v DP

CSMA-CD

73. ALOHA dng cho bao nhiu node ?2 node

74. S pht trin ca CSMAAloha CSMA CSMA/CD CSMA/CA

75. Thut ton back-off

76. R*51.2us, R c tnh nh th noXem cu 75

77. Gii hn ca ng truyn trong CSMA-CD l bao nhiu?2500 mt

78. Khuyt im khng u tin trong CSMA-CD l gThng th my c d liu ln hn s ln t (dominate) my c t d liu hn.

CSMA-CA

79. CSMA-CA dng vt tri trong media no?c dng ph bin trong giao tip c dy, nhng dng vt tri trong giao tip khng dy (WLAN)

80. RTS v CTS l g. Bao nhiu bit ?RTS (request to send) 20 bytes, CTS (clear to send) 14 bytes

81. C nhng loi Persistent no trong CSMA?CSMA gm 2 loi: non-persistent v persistent. Trong Persistent gm c: 1-Persistent, P-Persistent v O-Persistent.

82. P Persistent l g

83. Non Persistent l g

84. So snh gia CSMA-CA v CSMA-CD - CSMA ng tin hn CSMA-CD- CSMA c thm phn RTS V CTS nn gim thi gian truyn d liu85. IEEE 802.11Nu dng chun ny: th phi c yu cu RTS v CTS, cn nu ko dng chun ny th n pass qua chng. (ko dng RTS v CTS)

FOUNDATION FIELDBUS86. Foundation Fielbus dng lp no3 lp: Physical Layer, Data Link Layer, Application Layer

87. Lp ng dng ca Foundation Fielbus l g?- Lp ng dng gm FMS v FAS.FMS thc hin cc dch v Fieldbus Message Specification ging nh trong ProfibusFAS (Fieldbus Access Sublayer) c chc nng lin kt FMS vi lp lin kt d liu

88. C nhng topology no trong Foundation Fieldbus ? ng trc/ ng nhnh Daisy-chain Hnh sao. im-im

89. S trm cho php trong mi Segment ca Foundation Fieldbus ?Khng qu 32 trm nu khng dng b lp RepeaterC th s dng ti a 4 b lp, khong cch ng truyn c th tng ln 9500m v s trm l 240

90. TDMA l g ?Time Division Multiple Access, a truy cp phn chia thi gian

91. C nhng kiu c ch trao i no gia cc trm trong Foundation Fieldbus (hi-level) ?Master/Slave; Token Passing; TDMA

92. LAS trong Foundation Fieldbus l g ?Link Active Scheduler, ng vai tr l trm ch phn chia v kim sot quyn truy cp vo ton b mng

93. Chiu di ti a mi message l bao nhiu?Ti a 251 bytes

94. C ch Report trong Foundation Fieldbus ?Giao tip khng lp lch, thng s dng trong cc thng bo ng

95. C nhng khi no trong Foundation Fieldbus ?C 3 khi c bn: khi ti nguyn (Resource Block); khi chc nng (Fucntion Block) v khi bin i (Tranducer Block)

96. D liu o lng s cp nm trong khi no ? Khi chc nng

97. Khi transducer trong FF l gKhi bin i c nhim v tch cc khi chc nng khi s ph thuc vo c ch vo ra vt l c th. Mi khi bin i cha cc thng tin chi tit nh ngy gi hiu chnh, kiu cm bin hoc c ch chp hnh.

AS-I NETWORK

98. AS-I vit tt t u ?Actuator Sensor Interface (mng giao tip cho cp thp nht trong h thng t ng ha gm cc sensors v actuator, kt ni chng vi cc cp iu khin cao hn.)

99. AS-I t nm no ?1990

100.Cc device trong AS-i c th kt ni nh th no ?

101.AS-I topologyStar, tree, line, branch lines

102.C nhng loi cable no trong AS-i ?Cp trn, cp dp

103.Chiu di ti a ca mi Segment l bao nhiu (AS-i) ?100m (khng c repeater) v 300m (c repeater)

104.S node trn mi Segment ?31 slaves-1 master ch chun; 62 slaves-1 master ch m rng

105.Chu k quyt trong ch chun ti a l bao nhiu ?Ti a 5ms ch chun v 10ms ch m rng.

106.Chiu di ti a mi frame AS-I l bao nhiu Master Slave (Master gi cho Slave) 14 bits. Trong : 5 bit a ch slave v 5 bit thng tin

107.Chiu di ti a mi frame AS-I l bao nhiu Slave Master (Slave gi tr li Master) ?7 bits. Trong : 4 bit thng tin.

108.Tc c nh ca AS-I l bao nhiuTc truyn c nh l 167 kbit/s

109.Control bit AS-I ?0- truyn data, 1- truyn lnh

110.Thng tin AS-i cha bao nhiu bit ?Ty vo chiu frame gi t Master Slave (5 bits) hay t Slave Master (4 bits)

ETHERNET-IP111.CIP (Common Industrial Protocol) p dng cho nhng mng no ?CompoNet, DeviceNet, ControlNet, Ethernet/IP

112.S khc nhau gia UDP v TCP ?Truyn tng minh v khng tng minh (cn v khng cn phn hi)

113.IP l g ?Industrial Protocol: giao thc cng nghip

114.S khc nhau gia TCP/IP vi Ethernet/IP

115.TopologyNhiu: ring, tree, star

HART116.HART s dng Analog hay digitalC c digital v analog. Tn hiu c to ra u pht v thu v u thu l digital (mt chui 11 bits) , cn tn hiu truyn i trn ng truyn l tn hiu analog (ban u l dng, sau c chuyn sang tn hiu p)

117.Wireless HART gateway c th h tr cc protocol khc khng

118.Nhng thnh phn trong mng HART v Wireless HART

119.Mi message ca Wireless Hart di bao nhiu

120.Network Security l g

121.Network ID, Network key, Security Key

122.Cc cch b tr cc Node trong Wireless Hart

123.Mi frame cha bao nhiu slot time

124.Superframe v Frame

125.HART l Analog hay digital (trng cu 116)

126.D liu ca hart c bao nhiu bit ?11 bit

127.Mc 0 v mc 1 c tn s tng ng bao nhiu ?2200Hz v 1200Hz

128.Cc layer s dng trong hart ?Layer 1,2,7

129.Lp vt l s dng tiu chun g ?

130.Topologyim - im, song song

131.Cc thnh phn ca khung truyn

CP QUANG132.Multi mode l g ?Tia sng truyn theo nhiu hng khc nhau: zigzag, ng cong

133.Single mode l g ?Tia sng truyn theo 1 ng thng

134.So snh tc gia single mode va multimodeSingle > Multi (c v tc truyn dn v khong cch kt ni)

135.C bao nhiu loi trong multimode ?2 loi: Step-Index v Graded-Index

136.u im ca cp quang- Trng lng nh, kch thc nh (nh hn cp ng)- Dung lng ti cao hn (v c th b nhiu s quang li vi nhau thnh 1 b cho php nhiu knh i qua cp quang)- Suy gim tn hiu t (so vi cp ng)- t b nhiu- Tiu th t nng lng - Khng chy (do ko c in truyn qua cp quang)

137.Nhc im ca cp quang- Ni cp kh khn (si cp phi thng, hn ch un cong do si quang lm bng thy tinh)- Chi ph cao

138.Single mode s dng LED hay laserLaser

139.Cu to cc lp chnh ca Cp quangCore (li) Cladding (lp phn x nh sng) Buffer coating (lp ph bo v bn ngoi = PVC)

140.Hai loi cp quang ph bin (theo vt liu)Thy tinh hoc plastic (nha)

141.Phn loi cp quang theo modeSingle mode v Multi mode

142.Cc bc sng ca multimode850nm v 1300nm

143.iu kin tia sng phn x vi nhng gc lch u n

144.H s khc x trong SinglemodeH s khc x trong Single mode cng thay i t Core (li) ra Gladding (lp phn x nh sng) ging nh Multi mode nhng t hn.

DNP3145.DNP3 ng dng trong telemetry hay nh my

146.S h tr Timestamp trong DNP3

147.DNP3 trc y l g

148.DNP3 c s dng Ethernet khng

149.SEQ l g

150.File XML dng trong DNP3