PMA TB45

Stand-alone temperature limiter / temperature monitor

DIN rail device, 96 x 22.5 x 117.5mm (HĂ—WĂ—D)

Local display and operation

Universal input for thermocouples, PT100, mV, V and mA

Optional second universal input

Limit value switch-off and advance warning

RS 485 Modbus RTU or system bus with fieldbus coupler

 

 

 

 

Produkt anfragen

 

 

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PMA TB45 Tem­per­a­ture lim­iter for DIN rail mount­ing

The PMA TB45 is sup­plied as a stand-alone tem­per­a­ture limiter/monitor or limit value indi­ca­tor with optional Mod­bus inter­face or as a sys­tem com­po­nent with ver­sa­tile com­mu­ni­ca­tion con­nec­tions via the bus cou­plers of the Rail Line sys­tem. This means that the lim­iter can be eas­ily inte­grated into a cen­tral con­trol sys­tem. Its mea­sured val­ues can also be used by other func­tions. There is elec­tri­cal iso­la­tion between the inputs and out­puts as well as to the aux­il­iary power and the com­mu­ni­ca­tion inter­faces.

 

The PMA TB45 is used for both heat­ing and cool­ing processes and is suit­able for all ther­mo­cou­ples and resis­tance sen­sors.

 

Prop­er­ties

  • Con­fig­urable as a lim­iter, mon­i­tor or limit value indi­ca­tor
  • Com­pact design, only 22.5 mm wide
  • Can be snapped onto top-hat rail
  • Plug-in screw or spring-loaded ter­mi­nals
  • Two-line LCD dis­play with addi­tional dis­play ele­ments
  • Con­ve­nient 3-but­ton oper­a­tion
  • Com­mu­ni­ca­tion capa­bil­ity with wire­less cross-con­nec­tion in top-hat rail
  • Blue­Port® front inter­face
  • Two uni­ver­sal inputs (only for device ver­sion TB45-1)
  • Two relay out­puts
  • Two pre-alarms
  • Uni­ver­sal out­put for dis­play val­ues

 

 

Typ­i­cal areas of appli­ca­tion for the PMA TB45:

  • Sys­tems in which exceed­ing or falling below a cer­tain tem­per­a­ture leads to dam­age
  • Heat gen­er­a­tion sys­tems with flow tem­per­a­tures up to 120 °C in accor­dance with DIN 4751
  • Hot water sys­tems with flow tem­per­a­tures of more than 110 °C in accor­dance with DIN 4752
  • Heat trans­fer sys­tems with organic heat trans­fer media accord­ing to DIN 4754
  • Oil fir­ing sys­tems accord­ing to DIN 4755

 

 

Dis­play and oper­a­tion

The two-line LCD dis­play allows the limit value, the mea­sured value and the com­plete oper­a­tion of the PMA TB45 to be dis­played. An LED and four other dis­play ele­ments reli­ably indi­cate the oper­at­ing sta­tus, oper­at­ing mode and error mes­sages. The unit of the mea­sured vari­able can be shown in the dis­play and can also be defined on a cus­tomer-spe­cific basis. Via the extended oper­at­ing level
any sig­nals and para­me­ters can be dis­played in the 2nd dis­play line

 

 

Inter­face and engi­neer­ing tool

Set­tings can be made via the front panel as well as via the Blue-Port® front inter­face and the Blue­Con­trol® soft­ware.

Blue­Con­trol® and Blue-Port® are reg­is­tered trade­marks of PMA Prozeß- und Maschi­nen-Automa­tion GmbH

Downloads

PMA TB 45 data sheet – Ger­man

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