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OVERVIEW

1

This product is an ultra-small 

S-LINK

 relay output terminal unit 

which permits relay replacement.

SL-TPR4

SL-TPR8

Sensor & Wire-saving Link System 

S-LINK

Relay Output Terminal Unit

Thank you very much for purchasing Panasonic products. Read 

this Instruction Manual carefully and thoroughly for the correct 

and optimum use of this product. Kindly keep this manual in a 

convenient place for quick reference.

PART DESCRIPTION

2

SL-TPR4 / 4 channel relay output type

SL-TPR8 / 8 channel relay output type

4-core flat cable 0.6m long

Transmission indicator (Green)

Address setting switch

2-mounting holes for M4 screws

Relay removal key

Output hold setting switch

4-operation indicators (Orange)

Terminal block

DIN rail stopper

Setting switch section

Switch cap removed

condition

output relays 

(4 

relays

)

PA-N Relay APAN3124

made by Panasonic

Corporation

Output hold setting switch

8-operation indicators (Orange)

Terminal block

DIN rail stopper

4-core flat cable 0.6m long

Transmission indicator (Green)

Address setting switch

2-mounting holes for M4 screws

Relay removal key

Setting switch section

Switch cap removed

condition

output relays

 (8 

relays

)

PA-N Relay APAN3124

made by Panasonic

Corporation

PRECAUTIONS

3

Do not use during the initial transient time (0.5 sec.) after the 

power supply is switched on.

If power is supplied from a commercial switching regulator, 

ensure that the frame ground (F.G.) terminal of the power 

supply is connected to an actual ground.

Do not run the wires together with high-voltage lines or power 

lines or put them in the same raceway. This can cause 

malfunction due to induction.

A switch cap is fitted on the setting switch section. Remove 

the cap at the time of setting. After the setting, make sure to fit 

it back.

Use tweezers, etc., having a tip width of approx. 0.8mm to 

operate the switches.

This product does not have a dust-proof or water-proof 

construction. Do not use it in places having excessive water 

vapor, dust, corrosive gas or where it may come in direct 

contact with water or chemicals.

Make sure to fit the cover before use.


Make sure that the power supply is off while wiring.

Switch on the power supply after confirming that the wiring is 

correct. If the power supply is switched on when the wiring is 

incorrect, there is a danger of malfunction or damage.

SPECIFICATIONS

4

Item

Model No.

Type

4 channel relay output

Supply voltage

24V DC

±

10%

(supplied from the 

S-LINK

 control unit or separate power supply)

Transmission indicator

Green LED (blinks to indicate the synchronization signal 

transmission from the 

S-LINK

 control unit)

Ambient temperature

0 to +55

 (No dew condensation), Storage: -20 to +70

Ambient humidity

35 to 85% RH, Storage: 35 to 85% RH

Cable

0.5mm

2

 4-core flat cable 0.6m

Material

Case: PC-ABS resin, Cover: Polycarbonate

DIN rail stopper: POM, Relay removal key: POM

Accessories

Cover: 1 pc., Switch cap: 1 pc., Relay removal key: 1 pc.

Operation indicator

Orange LEDs (lights when the output relay is ON)

Output hold function

Incorporated

Output

(per relay)

Relay contact 1a

Nominal switching capacity : 250V 2A AC (resistive load)

               30V 2A DC (resistive load)

Min. switching capacity : 5V 1mA DC (Note 1)

Expected life: 100,000 operations or more

(at rated voltage, switching rate 20 operations/min.)

Mechanical life: 20 million operations or more

(switching rate 180 operations/min.)

FAN-in

3

Output operation

Output relay turns ON when the output signal from the signal 

transmission line is ON.

8 channel relay output

SL-TPR4

SL-TPR8

Current consumption

75mA or less (when all outputs are 

ON, excluding connected devices)

130mA or less (when all outputs are 

ON, excluding connected devices)

Number of output points

4 points

8 points

Weight

approx 100g.

approx 150g.

OUTPUT CIRCUIT DIAGRAM (per channel)

5

+24

 DC (Brown)

 D (White)

 G (Black)

 0V (Blue)

Color code

S-LINK

 side

Internal circuit

Output device side

Output relay

Output

SL-TPR4

: Output 0 to 3

SL-TPR8

: Output 0 to 7

Main circuit

The output state just before occurrence of an error can be stored 

at the time of a shut-down on the signal transmission line.

Hold ON (output stored) or Hold Clear (output not stored) can be 

set by the output hold setting switch.

OUTPUT HOLD FUNCTION

6

Hold ON

Hold Clear

Output stored

Output hold

setting switch

Output not stored

Output hold

setting switch

INSTRUCTION MANUAL

MJE-SLTPR No.0063-18V


Never use this product with a device for personnel protection.

In case of using devices for personnel protection, use products 

which meet laws and standards, such as OSHA, ANSI or IEC 

etc., for personnel protection applicable in each region or 

country.

Before touching this product, remove any electrostatic charges 

that may be present on your body. There is a danger of this 

product getting damaged due to the electrostatic charge.

WARNING

Note: 1) This value can change due to the switching frequency, environmental conditions, and desired 

reliability level, therefore it is recommended to check this with the actual load.

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