Toshiba RTM20 manual

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Table of contents for the manual

  • Page 1

    TOSHIBA TEMPERATURE CONTROL RELAY MODEL RTM20[...]

  • Page 2

    Toshiba's RTM20 relay is designed to monitor temperature of : Bearings Motor stator windings Generator stator windings Engine exhaust Engine cylinders Furnaces Industrial processes RTD (resistance temperature detector) inputs are three compensated wire leads . *Adjustable trip-point setting (40°C to 195°C) *Alarm outputs at 90% of trip tempe[...]

  • Page 3

    Group A trip indicator - Group A trip temperature set switches Group B trip indicator I Group B trip temperature set switches-- Group C trip indicator Group C trip temperature set switches- I Temperature set point mode selection switches The Model RTM20 temperature control relay has eight different channels, each of which is devoted to a separate R[...]

  • Page 4

    Table 1 General Specification Table 2 Contact Capacity * C300 per UL/NEMA . Alarm and Trip Outputs The alarm connected to either of the A, B or C group of channels goes off when the monitored temperature on one of the channels in that group rises to 90% of the set trip temperature, or when an RTD contact is broken for some reason . If the temperatu[...]

  • Page 5

    RTD1 RTD3 RTD5 RTD7 -m ,A - ~1 b '~o 1S y 3A -+~ 3B -+e 3b - '5A ^ ' 58 Sb ;~o 3S -~ 7A - .~ 7B 7b 2A 2B 2b 2S -- 4A 4B 4- 6A 6B 6b 4S SA SB 0-4 8b 0- O POWER o 0 CONTROL TERMINAL BOARD RTD2 RTD4 RTD6 RTDS Drilling Plan 6 (Y5/64) DIA HOLES  6 (15/64) DIA . HOLES -6 PLACES  -4 PLACES 94 (3-11/16)  94 (3-1,_/16) 104 (4-3/32) ?[...]

  • Page 6

    TOSHIBA TOSHIBA CORPORATION INDUSTRIAL EQUIPMENT DEPARTMENT 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, 105-8001 JAPAN TEL :03-3457-4900 FAX :03-5444-9268 *For further information, please contact your nearest Toshiba Liaison Representative or International Operations-Producer Goods . . The data given in this catalog are subject to change without notic[...]