为了克服DCS系统的技术瓶颈,进一步满足现场的需要,现场总线技术应运而生,它实际上是连接现场智能设备和自动化控制设备的双向串行、数字式、多节点通信网络,也被称为现场底层设备控制网络（INFRANET）。和Internet、Intranet等类型的信息网络不同,控制网络直接面向生产过程,因此要求很高的实时性、可靠性、资料完整性和可用性。为满足这些特性,现场总线对标准的网络协议作了简化,省略了一些中间层,只包括ISO/OSI7层模型中的3层：物理层、数据链路层和应用层。

BENTLY NEVADA 2789-132 NSPP 2789132

NIB Bently Nevada 7200 Vibration Monitor Meter 0-15 MILL 0-18 V GAP


Bently Nevada Cable 21747-080-00 8 Meters (7640)

SIGNED RAIKES BENTLY 1985 EDITION 1 SO CUTE

BENTLY NEVADA 16639-01 NSPP 1663901

BENTLY NEVADA 16639-02 NSPP 1663902

BENTLY NEVADA 2789-108 NSPP 2789108

BENTLY NEVADA 21500-00-12-05?-02 USPP 2150000120502

BENTLY NEVADA 2789-120 USPP 2789120

BENTLY NEVADA 2789-096 NSPP 2789096

BENTLY NEVADA 81544-01 SIGNAL INPUT RELAY CARD

Bently Nevada ASSY79748-01 AA,PCW 1.1, Xducer I/O & Record Terminals

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BENTLY NEVADA PWA-40947-01 USPP PWA4094701

BENTLY NEVADA 84137-01 SIGNAL INPUT/RELAY CARD

BENTLY NEVADA 103629-0050-02?-01-00 NSPP 10362900500201?00

Wine Red BENTLY KOREA 5120-CPWR Acoustic Electric Guitar Binding & EQ No Res #8

BENTLY NEVADA / GE 147262-01 TRANSFORMER ASSEMBLY FOR 3300 SERIES SYSTEM 46499


Rolls Royce Small HP Derby Bently Wiper Motor Bracket


BENTLY NEVADA 20886-01 USPP 2088601

BENTLY CONTINENTAL GT GTC JACK SPARE EMERGENCY TOOLS OEM USED 2004-2010

NEW Bently Nevada 3300 XL 8mm BNC P/N. 330130-045-00-?00 3301300450000

NEW Bently Nevada 3300 XL 8mm BNC P/N. 330130-040-00-?00 3301300400000

BENTLY NEVADA 47125-0010-02-?01-00 NSPP 47125001002010?0

BENTLY NEVADA 90038-1E EXTENDER CARD PLC CIRCUIT BOARD MODULE 50743


BENTLY NEVADA 84152 TRANSDUCER SIGNAL INPUT QUAD RELAY CARD OPTION 46365


Bently Silver Band 925 2.16


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Bently Nevadad - 330900-50-00 Proximitor Sensor

BENTLY NEVADA 19000-00-50-12?-02 USPP 1900000501202

BENTLY NEVADA 90339-01 USPP 9033901

BENTLY NEVADA 72001-01 NSPP 7200101

BENTLY NEVADA 02270033 NSPP 02270033

BENTLY NEVADA PWA-49855-02 USPP PWA4985502

BENTLY NEVADA PWA-42727-01 USPP PWA4272701

BENTLY NEVADA PWA 72008-01 F NEGATIVE RECORD ASSEMBLY CARD CIRCUIT BOARD 53076


BENTLY NEVADA 14386-03 7200 SERIES PROXIMITOR I/O MODULE 24V DC 46460


BENTLY NEVADA 24145-01 ACCELROMETER MODULE INTERFACE BNC 18V DC 46459


BENTLY NEVADA 02270033 USPP 02270033

BENTLY NEVADA PWA-42769-01 USPP PWA4276901

BENTLY NEVADA 10513-02 USPP 1051302

BENTLY NEVADA 24145-01 ACCELEROMETER INTERFACE MODULE -18 - 24V DC 46495

BENTLEY ARNAGE AZURE CONTINENTAL R FRONT MATRIX GRILL NOS SAVE BENTLY

Bently Nevada PWA129958-01 & PWA83657-01 for 3350/55-01-04-?03-03-00-00-05?-00

Bently Nevada - 3300/16 - XY/GAP Dual Vibration Monitor

Bently Nevada Dual Accelerometer Monitor New 


Bently Nevada 3300/16 dual vibration XY/Gap monitor (Qty 2)

BENTLY NEVADA 18745-04 5 mm 5mm PROXIMITOR PROXIMITY SENSOR, REPLACES 18745-02

Bently Nevada Dual Vibration Monitor NIB


Bently Nevada Thrust Monitor # 72300-02-04-01?-01-01-01

Bently Nevada 3300/12-01-20-?00 Power Supply

Bently Nevada 3300/12-01-20-?00 Power Supply

BENTLY NEVADA TDM SAMPLER PWA 77448-01T

Mens bently watch

Quick Look
72006-01 BENTLY NEVADA

PWA 129486-01 BENTLY NEVADA

9066-01 BENTLY NEVADA

PWA 19201F BENTLY NEVADA

72989-01 BENTLY NEVADA

72269-01H BENTLY NEVADA

72867-01 BENTLY NEVADA

PWA 86645-01G BENTLY NEVADA

72048-01G BENTLY NEVADA

PWA40340-01J BENTLY NEVADA

90050-01-01-01?-01-01-01-01 BENTLY NEVADA

72300-10-05-01?-01-01-15 BENTLY NEVADA

49373-01 BENTLY NEVADA

23067-01 BENTLY NEVADA

78596-01D BENTLY NEVADA

72730-02-15-XX?-00-01 BENTLY NEVADA

PWB 49373-01 BENTLY NEVADA

PWA 72915-01M BENTLY NEVADA

125760-01 BENTLY NEVADA

23211-01-05-05 BENTLY NEVADA

PWA40332-01L BENTLY NEVADA

PWA 191898-02-15 BENTLY NEVADA

72308-10 BENTLY NEVADA

BENTLY NEVADA

31000-16-10-00?-225-03-02 BENTLY NEVADA

19195-01-15-XX?-00-01 BENTLY NEVADA

125768-01 BENTLY NEVADA

72269-01 BENTLY NEVADA

5073-10 BENTLY NEVADA

PWA 84030-01M BENTLY NEVADA

PWA 72928-02R BENTLY NEVADA

PWA 19343-01G BENTLY NEVADA

72711-01-03-02?-01-01-15 BENTLY NEVADA

72075-02 BENTLY NEVADA

140471-02 BENTLY NEVADA

90040-14 BENTLY NEVADA

PWA 78452-01 BENTLY NEVADA

21747-085-01 BENTLY NEVADA


BENTLY NEVADA 3300/65-03-01-?00-00-01-00 RADIAL VIBRATION DUAL PROBE MONITOR - NE

BENTLY NEVADA 3300/65-03-01-?00-00-01-06 PROBE MONITOR

Bently Nevada - 3300/25 - Dual Accelerometer Monitor

Bently Nevada Rack Interface Module 125744-02T 3500/20

Bently Nevada - 3500/33 - 16-Channel Relay Module

Bently Nevada 3300/36 Dual Temperature Monitor 330036


BENTLY NEVADA TDM KEYPHASOR PWA 77456-01

BENTLY ORIGINAL CHROME FRONT GRILL fits MULSANE & EIGHT 

Bently Nevada 3300/20 MONITOR Dual Thrust Monitor

3300/10-01-02-?00 BENTLY NEVADA

Bently Nevada 3300/50-01-02-?01-01 Tachometer Monitor

Bently Nevada 3300/55 3350/55-01-04-?03-03-00-00-05?-00

Bently Nevada - 3500/42M - Proximeter/Vel?ometer I/O Module

3300/01-01-00 BENTLY NEVADA

3300/01-01-00 BENTLY NEVADA

Bently Nevada 7200 Chassis with 4 Vibration Monitors and 2 Dual Probe Monitors

Bently Nevada - 3300/14 - DC Power Supply

SMITHS GAUGE CLUSTER ROLLS ROYCE SILVER CLOUD 1 OR 1956 BENTLY - COMPLETE!!

72872-01 BENTLY NEVADA

72050-01-01 BENTLY NEVADA


PWA 72928-02M BENTLY NEVADA

72490-01 BENTLY NEVADA

PWA 72852-01-AV BENTLY NEVADA

88286-01 BENTLY NEVADA

72635-02 BENTLY NEVADA

PWA 72852-01W BENTLY NEVADA

72236-01 BENTLY NEVADA

500600 BENTLY NEVADA

2155/00-02-03-?00-01-11-00-00?-00-00-00 BENTLY NEVADA

3300/61-05-01-?00-00-00-00 BENTLY NEVADA

21747-040-00 BENTLY NEVADA

72645-XX-02-01?-02-01-01-15-1?4 BENTLY NEVADA

80097-01C BENTLY NEVADA

PWA 72915-01E BENTLY NEVADA

107540-01A BENTLY NEVADA

PWA 72867-01 BENTLY NEVADA

89000-100-120-?XX-01 BENTLY NEVADA

PWA 86645-01 BENTLY NEVADA

CE-225-4101 BENTLY NEVADA

PWA40350-01A BENTLY NEVADA

29628-XX-01 BENTLY NEVADA

37506-A-05 BENTLY NEVADA

37241-01 BENTLY NEVADA

PWA 78472-01D BENTLY NEVADA

72470-08-02-01?-00-00-00-00-0?1-00-01-15 BENTLY NEVADA

3300/65-02-01-?00-00-00-01 BENTLY NEVADA

78432-02N BENTLY NEVADA

PWA 123447-01 BENTLY NEVADA

PWA 86635-01 BENTLY NEVADA

PWA 77456-01E BENTLY NEVADA

PWA 37233 BENTLY NEVADA

PWB 72484 F BENTLY NEVADA

72951-03-01-03?-03 BENTLY NEVADA

72708-01 BENTLY NEVADA

3300/45-XX-XX-?02-00 BENTLY NEVADA

31000-16-10-00?-241-03-02 BENTLY NEVADA

PWA 19343-01J BENTLY NEVADA

72850-01-04-01?-01-01-01-01-1?5 BENTLY NEVADA

PWA 86655-01 BENTLY NEVADA

PWA 105375-01 BENTLY NEVADA

PWA 72471 B AB BENTLY NEVADA

26313-02-04-03?-05-05-03-15 BENTLY NEVADA

PWA 37282 BENTLY NEVADA

3300/16-05-01-?02-00-00-00 BENTLY NEVADA

77440-01W BENTLY NEVADA

PWA 103955-01 BENTLY NEVADA

PWA 72752-01N BENTLY NEVADA

89418-01 BENTLY NEVADA

78422-01K BENTLY NEVADA

72325-02 BENTLY NEVADA


PWB- 82501-01A BENTLY NEVADA

PWA 72928 02R BENTLY NEVADA

3300/35-04-02-?02-00-00 BENTLY NEVADA

72308-51-01 BENTLY NEVADA

35321-01-02-01?-01-15 BENTLY NEVADA

7200 BENTLY NEVADA

30001-00-40-18?-02 BENTLY NEVADA

90120-02-52 BENTLY NEVADA

36855-01 BENTLY NEVADA

79748-01 BENTLY NEVADA

PWA 72928-01H BENTLY NEVADA

PWA 105401-02 BENTLY NEVADA

72497-01 BENTLY NEVADA

72200-01-01-01?-01-01-11 BENTLY NEVADA

27490-0370-00 BENTLY NEVADA

PWA 81354-01J BENTLY NEVADA

330850-91-05 BENTLY NEVADA

72055-01E BENTLY NEVADA

PWA 72704-01D BENTLY NEVADA

PM-14030K BENTLY NEVADA

134652-01 BENTLY NEVADA

72730-02-15-XX?-XX-01 BENTLY NEVADA

78599-30 BENTLY NEVADA

24713-01 BENTLY NEVADA

PWA 78894-01A BENTLY NEVADA

PWA 72302-01-2 BENTLY NEVADA

3500/45 BENTLY NEVADA

72850-04-04-01?-01-00-00-15 BENTLY NEVADA

72751-03-01-15?-00-03-00102 BENTLY NEVADA

31000-16-10-00?-225-03-02 BENTLY NEVADA

72852 BENTLY NEVADA

19195-02-15-XX?-XX-01 BENTLY NEVADA

72928-01G BENTLY NEVADA