Description
Plant installation costs can be significantly reduced by placing the rugged standard200 Series Foxboro™ DCS Fieldbus Modules (FBMs) much closer to theircorresponding field devices. Long runs of signal cables can then be replaced by oneor two fiber optic pairs carrying multiplexed I/O signals. The 200 Series FieldbusCommunications Modules (FCMs) support this capability over nominal distances of 2,4, or 10 kilometers. FCMs are fiber optic communications extenders that permit 200 Series FBMs to beinstalled remotely and closely to the plant processes. The three versions, FCM2F2 (RH914YZ), FCM2F4 (RH917JA), and FCM2F10(RH916TQ), offer nominally maximum baseplate-to-baseplate fiber optic cablingdistances: up to 2 km (1.24 mi), up to 4 km (2.48 mi), and up to 10 km (6.21 mi),respectively. The FCMs are mounted on standard baseplates in pairs for redundancy. Nonredundant configurations require only a single FCM. Unaffected by electrical noise (EMI, RFI, and lightning), fiber optic cabling provides aversatile means of extending signal communications. It can be used in areascontaining rotating machinery, arc welders, and so forth, and can be installed in cabletrays containing high voltage power lines, or in outdoor areas exposed to lightninghazards. Its electrical isolation characteristics provide protection from voltagedifferentials and ground loops.
Figure 1 shows an example of redundant configuration with baseplates (containingFCMs) linked point-to-point with fiber optic cabling. This cabling configuration shows asingle fiber optic segment, interconnecting two baseplates. However, up to three fiberoptic segments can be used to interconnect the (maximum) four baseplates.
Maximum fiber optic cabling distance between any two baseplates is 10 km (usingFCM2F10s (RH916TQ)), with the total fiber optic cabling distance between thebaseplates (all cable segments) not to exceed 20 km (10.42 mi).
NOTE:
• Maximum baseplate quantity is four.
• Redundant configuration is shown. Non-redundant configuration uses oneFCM in a baseplate slot.
• Fiber optic extension can be made between two or more baseplates (up tothree extensions).
• Three versions of the FCM provide three different fiber optic distances:◦ FCM2F2 = 2 km (1.24 mi)◦ FCM2F4 = 4 km (2.48 mi)◦ FCM2F10 = 10 km (6.2 mi)
• FCMs at either end of the fiber optic cable must be identical types (forexample, two FCM2F2s).
• Redundant FCMs must be mounted in the first or last adjacent slots on thebaseplate.
Features • Converts 2 MB HDLC Fieldbus to MMF or SMF fiber optics • Rugged design suitable for enclosure in Class G3 (harsh) environments
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
The company focuses on DCS, PLC, robot, large servo four systems
The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !!! ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.
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FBM219 | FCM10E |
FBM222 | FCP270 |
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