Modular device for DIN-EN 60715 TH35 rail mounting.

1 module = 18mm wide, 58mm deep.

State-of-the-art hybrid technology combines advantages of nonwearing electronic control with

high capacity of special relays.

Connection to the Eltako RS485 bus, terminals RSA and RSB.

Up to a total of 128 actuators can be added in this way.

Up to 35 pushbuttons can be assigned, of which one or more central control pushbuttons.

Patented Eltako Duplex technology (DX) allows you to switch normally potential free contacts

in zero passage switching when 230V A/C voltage 50Hz is switched. This drastically

reduces wear. To achieve this, simply connect the N conductor to the terminal (N) and L to

K(L). This results in an additional standby consumption of only 0.1 watt.

Maximum current as the sum of both contacts 16A at 230V.

The 12V DC supply voltage of the complete RS485 bus is mainly powered at 6W, 12W or

24W by a switch mode power supply unit SNT12-12V DC that is only 1 or 2 pitch units wide.

When both relays of the FSM12 are switched on, 0.5 watts is required.

The upper and the middle rotary switches

are for teaching-in the sensors. In normal mode, the

middle rotary switch is then set to AUTO and the bottom rotary switch to the required function:

2S

= Impulse switch with 2 NO contacts

(2xS) =

2-fold impulse switch with 1 NO contact each

WS

= Impulse switch with 1 NO contact and 1 NC contact (0.3W standby loss)

SS1

= Impulse multi circuit switch 1 + 1 NO contacts for switching sequence 1

SS2

= Impulse multi circuit switch 1 + 1 NO contacts for switching sequence 2

SS3

= Impulse multi circuit switch 1 + 1 NO contacts for switching sequence 3

GS

= Impulse group switch 1 + 1 NO contacts

2R

= Switching relay with 2 NO contacts

WR

= Switching relay with 1 NO contact and 1 NC contact (0.3W standby loss)

RR

= Switching relay (closed-circuit current relay) with 2 NC contacts (0.5W standby loss)

GR

= Group relay 1 + 1 NO contacts

Switching sequence SS1: 0 - contact 1 (K-1) - contact 2 (K-2) - contacts 1 + 2

Switching sequence SS2: 0 - contact 1 - contacts 1 + 2 - contact 2

Switching sequence SS3: 0 - contact 1 - contacts 1 + 2

Switching sequence GS: 0 - contact 1 - 0 - contact 2

GR: Relay with alternating closing contacts.

The LED

below the upper function rotary switch performs during the teach-in process according

to the operation manual. It shows control commands by short flickering during operation.