Smart pneumatic gripping module with IO-Link

Weiss Robotics offers the perfect symbiosis between powerful pneumatics and intelligent electronics with the new innovative gripping modules of the RPG series. For the first time the RPG integrates a gripping controller with IO-Link interface as well as valve technology and position sensing into a compact and reliable wedge-hook based pneumatic gripping module.

SKU: RPG Category:

Integrated controller

Accelerate your production

The grip­ping modu­les of the RPG series make the grip­ping pro­cess signi­fi­cant­ly fas­ter and much more reli­able as it has been with con­ven­tio­nal grip­pers. The inte­gra­ted con­trol­ler with its opti­mi­zed part detec­tion allows a grip­ping rate of up to 500 grip­ping cycles per minu­te. This acce­le­ra­tes the hand­ling pro­cess signi­fi­cant­ly and impro­ves the pro­duc­tivi­ty of your app­li­ca­ti­on.

Integrated valve technology

Save 70 % air

RPG grip­pers are very resour­ce-effi­ci­ent and con­su­me far less com­pres­sed air as con­ven­tio­nal solu­ti­ons. This was made pos­si­ble by relo­ca­ting the val­ve tech­no­lo­gy from the val­ve ter­mi­nal right into the grip­ping modu­le remo­ving the dead volu­me from the pneu­ma­tic path. If the­re has been only 1 m of hose bet­ween your val­ve ter­mi­nal and your pneu­ma­tic grip­per, you will now save more than 70 % of air with the new RPG.


Internal sensors

Get rid of external limit switches

Manu­al adjus­ta­ble limit swit­ches are no lon­ger nee­ded as the grip­ping modu­les of the RPG series are equip­ped with inte­gra­ted posi­ti­on sen­sors pro­vi­ding vir­tu­al limit swit­ches that can be para­me­te­ri­zed com­for­ta­b­ly via IO-Link. This redu­ces the hass­le of wiring and adjust­ment of the sin­gle com­pon­ents and increa­ses the long term relia­bi­li­ty of your app­li­ca­ti­on.


Let’s play it safe

The long life­time and the high pre­cisi­on of the RPG grip­ping modu­les are achie­ved by the pre­cisi­on grin­ded T-slot gui­des and a warp resistant con­struc­tion. The con­ti­nuous self dia­gno­sis of the inte­gra­ted con­trol­ler gua­ran­tees the cor­rect func­tion of the grip­ping modu­le at any time. Plant down­ti­mes by hard to loca­li­ze faults are a thing of the past.

RPG IO-Link Connector

Predictive Maintenance

Optimize your production process

Get access to the cha­rac­te­ris­tic para­me­ters of the grip­ping pro­cess direc­t­ly from the grip­ping modu­le. The RPG pro­vi­des you advan­ced grip­ping para­me­ters via IO-Link, e.g. the actu­al grip­ping width, average clo­sing time or the remai­ning grip­ping cycles to the next main­ten­an­ce. This allows you to sche­du­le main­ten­an­ce inter­vals well in advan­ce kee­ping your pro­duc­tion always in opti­mal con­di­ti­on.

Awarded Innovation

First Place at the Handling Award

Rely on award-win­ning inno­va­ti­on and relia­bi­li­ty. The RPG grip­pers con­vin­ced the inde­pen­dent jury of the Hand­ling Award by its ground­brea­king tech­no­lo­gy Made in Ger­ma­ny and was awar­ded the first place in the cate­go­ry “Hand­ling and Assem­bly”.

Handling Award 2016

Additional information

Weight N/A
Dimensions N/A


RPG 120-020 Drawing  RPG 120-020 Drawing

Tech­ni­cal drawing RPG 120-020

RPG 120-020 STEP model  RPG 120-020 STEP model

3D CAD model

RPG 75-012 Drawing  RPG 75-012 Drawing

Tech­ni­cal drawing RPG 75-012

RPG 75-012 STEP model  RPG 75-012 STEP model

3D CAD model


RPG Series  RPG Series

User Manu­al

Product Data Sheets

RPG Product Datasheet  RPG Product Datasheet

Pro­duct Datas­heet for the RPG Series



IO-Link Device Descrip­ti­on File for RPG Series

RPG 75-012 RPG 120-020
Stroke 12 mm (6 mm per Finger) 20 mm (10 mm per Finger)
Gripping Force at Nominal Pressure (closing) 220 N 550 N
Gripping Rate1 500 Cycles per Minute 380 Cycles per Minute
Operating Pressure (Min. · Nom. · Max.) 2 bar · 6 bar · 7 bar 2 bar · 6 bar · 7 bar
Power Supply 24 V / 80 mA 24 V / 150 mA
Communication IO-Link v1.1, COM2 (38,4 kbit/s) IO-Link v1.1, COM2 (38,4 kbit/s)
Mechanical Repeatability 0.01 mm 0.01 mm
Position Resolution 0.1 mm 0.1 mm
Max. Finger Length 80 mm 150 mm
Max. Finger Weight 0.35 kg 1.1 kg
Protection Class IP 40 IP 40
Medium Compressed Air (ISO 8573-1:2010 [7:4:4]) Compressed Air (ISO 8573-1:2010 [7:4:4])
Temperature Range 5 to 50 °C 5 to 50 °C
Weight 320 g 960 g
Dimensions (L x W x H) 75 x 37 x 39 mm 120 x 50 x 55 mm
Port size M5 G1/8

1Grip cycles per minute when controlling via IO-Link. One cycles consists of complete open and close over the gripper's full stroke. PLC delay times not considered.

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