PMA KS41-1

Single-circuit controller / temperature controller KS41-1

Monitoring of heating current and input circuit

Extended limit value monitoring with signal memory

Automatic/manual button

Timer and programmer

BluePort® front interface

Maintenance manager





Produkt anfragen



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Uni­ver­sal sin­gle-cir­cuit con­troller / tem­per­a­ture con­troller

The PMA KS41-1 tem­per­a­ture con­troller has been devel­oped for gen­eral con­trol tasks in all indus­trial sec­tors. The device allows a choice of con­trol modes, includ­ing sim­ple two-point con­trol (on/off), con­tin­u­ous PID con­trol or three-point step con­trol. The process value is recorded via a uni­ver­sal input, while a fur­ther ana­log input is used to mea­sure the heat­ing cur­rent or as an exter­nal set­point input.

The PMA KS41-1 is equipped with three process out­puts, which can con­sist of either three relays or two relays and one uni­ver­sal out­put. The uni­ver­sal out­put can be used to oper­ate an SSR relay, as a con­tin­u­ous current/voltage out­put or to sup­ply a 2-wire trans­mit­ter.

The con­troller is par­tic­u­larly rec­om­mended for indus­trial appli­ca­tions such as ovens and fire­places, burn­ers and boil­ers, plas­tics pro­cess­ing and dry­ers.


Func­tions and spe­cial fea­tures

  • Uni­ver­sal ver­sion continuous/switching, i.e. reduced stock keep­ing
  • Freely con­fig­urable ana­log out­put, e.g. as actual value out­put
  • 100 ms cycle time, i.e. also suit­able for fast routes
  • Cus­tomer-spe­cific lin­eariza­tion for all input types
  • High secu­rity thanks to pass­word pro­tec­tion and inter­nal switch
  • Extended tem­per­a­ture range up to 60 °C enables instal­la­tion close to the process
  • Mea­sured value cor­rec­tion as off­set or 2-point
  • Emer­gency oper­a­tion in case of sen­sor break by tak­ing over the aver­aged out­put level
  • Log­i­cal link­ing of the dig­i­tal out­puts, e.g. for col­lec­tive alarms
  • Pro­gram­mer with four seg­ments and end sig­nal
  • RS422/485 Mod­bus RTU inter­face
  • Built-in trans­mit­ter power sup­ply
  • Water­proof front – IP65



The KS41-1 con­troller is designed as a plug-in device. This means that the devices can be replaced quickly, eas­ily and with­out tools.



Self-opti­miza­tion quickly and reli­ably deter­mines the opti­mum con­trol para­me­ters for fast and over­shoot-free reg­u­la­tion when the sys­tem starts up.
For heating/cooling con­trollers, the para­me­ters for cool­ing are deter­mined sep­a­rately in order to achieve opti­mum adap­ta­tion there too.


Oper­a­tion and dis­play

The 10 LEDs on the front reli­ably indi­cate the oper­at­ing sta­tus, oper­at­ing mode and error mes­sages.
The automatic/manual but­ton is used to switch the con­troller to man­ual mode with­out any con­fus­ing oper­at­ing sequences.
This can also be locked or the but­ton can be used to start the timer, for exam­ple.


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



Other hous­ing for­matsPMA KS40-1 and PMA KS42-1


PMA KS 41-1 data sheet – Ger­man

PMA KS 41-1 Oper­at­ing instruc­tions – Ger­man

PMA KS 41-1 Inter­face descrip­tion Mod­bus – Ger­man

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