Edwards-signaling 200 Series User Manual download pdf

SAFETY

200 SERIES

1-800-336-4206

www.edwardssignalling.com

Installation

Mounting Instructions

1. Do not wire the switch until it is mounted and tested.

(See testing)

2. Select a mounting location where the switch and actuator can

be installed with their labels reading in the same direction.

3. Mount the switch on the stationary frame of the machine and

the actuator on the moveable guard, door or gate.

4. For best protection against operator defeat, mount with

non-removeable screws, bolts, or nuts. (See accessories)

5. The switch and actuator must be mounted so that the actuator

moves in one of the approved directions ( Figure 1).

6. Parallel actuation is NOT recommended and may cause switch

failure. An on/oﬀ/on (double actuation) signal may result when

the actuator passes by the switch rather than coming to rest in

proximity to it.

7. When mounting on a hinged gate or door, mount the switch

and actuator at least 6" away from the hinges so a more face

to face approach is achieved.

8. The actuator can be mounted at a 90° rotation.

9. Keep the switch and actuator within the listed sense range (see

speciﬁc switch electrical speciﬁcations).

10. Mounting on a ferrous (steel) material will reduce the sense

range a minimum of 50%. A 1/4" nonferrous (plastic or

aluminum) spacer installed under the actuator and switch will

restore most of the lost gap.

11. When mounting a metal switch to an ungrounded machine,

connect the ground lead to one of the switch mounting screws.

CAUTION — Particular care must be taken to determine the ac-

tual load of the switch circuit.

1. Surges from coils, motors, contactors, solenoids and

tungsten ﬁlaments must be considered.

2. Transient protection, such as back-to-back zener diodes

(Transorb) or an RC network, is recommended for such loads

to ensure that maximum ratings of the switch are not

exceeded.

3. Line capacitance and load capacitance must be considered.

An in-line resistor can be added to limit the inrush current.

4. The resistor can only be added in series with the last red wire

just before the load.

5. The voltage drop and the power rating of the resistor must

be considered.

Voltage drop = I • R

Series 200 Safety Switches

Installation Instructions

Mounting Conﬁgurations

Figure 1

Perpendicular

Actuation

Door

Actuation

Parallel

Actuation

OK OK

Rotated

Actuation

Actuator

* Actuation surface

Series 200 Safety Switches 1

Summary of Contents

Page 1 - Series 200 Safety Switches

SAFETY200 SERIES1-800-336-4206www.edwardssignalling.com41InstallationMounting Instructions1. Do not wire the switch until it is mounted and tested.

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Edwards-signaling 200 Series User Manual

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