MTL TP32 range Protects transmitters and smart transmitters from induced surges and transients on fieldbus cabling Technical data
●The terminated TP32-T has the same protection circuit as the standard product, but also includes a Foundation fieldbus™ termination circuit. This unique combination eliminates the need to purchase and install additional termination circuitry for the FF segment. The TP32-T provides excellent transient protection control and terminates the bus segment in one simple-to-install package. The termination circuit is designed to the requirements described in ANSI/ISA 50.02-2. Note: Two terminators are required per bus segment.
●The all-important earth connection is made via the casing of the transmitter, negating the need for a separate earth connection or a ground stake at the transmitter. In operation, the TP32 makes sure that the transmitter electronics are never exposed to damaging transients between the lines and ground. Any surge current appearing as a series-mode or common-mode transient is converted into a common-mode voltage whereupon the transmitter electronics are temporarily raised to some higher voltage level before ‘floating’ down automatically (and without damage) to resume normal operation.
●The TP32 protection network is a hybrid design consisting of high-power, solid state electronics and a gas discharge tube which is capable of diverting surges up to 20kA. Encased in a 316 stainless steel enclosure, the TP32 exhibits unparalleled mechanical durability providing years of maintenance-free operation in harsh environments. The enclosure is available threaded for all the common conduit entries. Versions are available for 1/2” NPT, 20mm ISO, and G 1/2” (BSP 1/2 inch) threaded entries.
●Installation is simple and can easily be carried out retrospectively to existing installations. By connecting in parallel to the transmitter circuit the TP32 does not interfere with the normal operation of the bus – passing AC or DC signals without adding increased voltage drop across the segment while consistently diverting surge currents safely to ground and clamping output voltage to safe levels.
●Approvals for intrinsically safe, flameproof, explosion-proof and non-incendive operation are available, in all gas groups and apparatus temperature classifications up to T6.
●The TP32 is designed to meet the requirements of IEC 61158- 2:2000 and ANSI/ISA-50.02-2:1992 for 31.25kB/sec systems as used by Foundation fieldbus™, PROFIBUS-PA and WorldFIP.
■TP32 is a fieldbus specific surge protector designed to meet the requirements of IEC 61158-2:2004 & ANSI/ISA-50.02-2:1992
■TP32-T includes a terminator for fieldbus in addition to surge protection
■Easy and direct mounting — screws into spare conduit entry on the transmitter
■Parallel connection ensures ‘transparent’ operation — zero voltage-drop across device
■ATEX approved, Certified FISCO Terminator
■10 year product warranty
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TP32 、 TP32-T 、 TP32-X-NDI 、 TP32-N 、 TP32-N-NDI 、 TP32-I 、 TP32-I-NDI 、 TP32-G 、 TP32-G-NDI 、 TP32-T-N 、 TP32-T-N-NDI 、 TP32-T-I 、 TP32-T-I-NDI 、 TP32-T-G 、 TP32-T-G-NDI |
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[ process transmitters ][ transmitters ][ smart transmitters ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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January 2023 |
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rev O |
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EPS 901-114 rev O |
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1.1 MB |
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