Khushali Enterprise

Kalbadevi, Mumbai, Maharashtra

Setting ourselves up as a major player in the industry, we bring forth Wireless Safety Modules. They are manufactured making use of unmatched raw material ensuring their finest quality and versatility. They are wireless companion which are used for cutting off dangerous movements in less than a second. We leave no stone unturned in our attempts to match our quality to the various parameters and standards set by the industry. They are available at economical rates. Our team of seasoned professionals takes care of the designing and fabrication.

Additional Information : Sometimes, persons must access dangerous areas of machinery and installations to carry out machine settings or fault elimination, for example. Because they are out of the reach, stationary emergency-stop buttons cannot be reached early enough for a cutoff of the machinery within seconds. SAFEMASTER W, a wireless companion for your safety, is the solution for this problem. It allows you to cut off dangerous movements within a fraction of a second.

Advantages

• Better availability of your machines and plants
• Mobile and flexible because it is portable or hand-held
• Versatile
• Safe, SK4 acc. to EN 954-1
• Radio technology, without wear and maintenance
• User-friendly and ergonomic
• Convenient one-hand operation

Technology SAFEMASTER®W consists of a light-weight ultra-compact hand-held transmitter and a receiver with safety-related outputs. Signals are transmitted via both radio transmission and also infrared radiation. This ensures that the user of the hand-held transmitter can only start systems which are in his/her view.

Also suited for control functionsApart from the safety function the hand-held transmitter has optional free configurable keys and switches. They allow convenient.

• Step-by-step controls
• Start/stop functions
• Speed adjustments
• Positioning and actuator selection

Applications
Versatile : The ideal solution for mobile and stationary machines and plants with dangerous areas:

• In automatic mode, e.g. for fault elimination, lubrication and adjustment operations
• In set-up mode, e.g. for machine settings, maintenance, start-up procedures

Counting on our experience in the industry, we have positioned us in the upper echelons of the industry by offering unequaled quality in the form of Extension Modules. Our distribution network allows us to facilitate quick and convenient delivery in a matter of time at your doorstep. They are used for multiplying the output contacts of the basis modules. They also make it possible to contact reinforcement by splitting into multiple control circuits.

 
Extension modulesExtension modules can be used to multiply the output contacts of the basis modules. Also contact reinforcement by splitting into multiple control circuits is possible.

Delay modulesThe emergency-stop of a dangerous movement can be accelerated by a controlled stop operation according to the stop category 1 by allowing motor brake functions or controlled drive speed reduction to run during the cutout delay.

Coupling modulesCoupling modules with positively driven contacts are used to switch safety-related functions as links between logic circuitry and load. The positively driven NC contacts can be used to monitor the closing contacts. 
From single function safety modules up to modular multifunction safety systems with field bus connections, designed to protect both man and machine. Sometimes it is not too easy for machine and system manufacturers and users alike to design safety-related circuits using discrete contactor hardware to comply with the abundance of regulations currently in place. To assist them, DOLD offer type-tested safety modules allowing tailored solutions to be installed with respect to functionality and cost.

Advantages

• Extension modules
  • Cost-saving contact multiplication, universal connectivity to all basis modules
  • Monitor output contacts via a feedback loop through the relevant basis module
  • Connect multiple extension modules to a single basis module by cascading

• Delay modules
  • Controlled stop operation of drives minimizes the risk of injuries
  • No adverse effects on productivity as immediate restarting is possible
  • High long-term stability by digital timer

• Coupling modules
  • Very safe switching behaviour by positively driven contacts.
  • Allow a regulation-compliant implementation of safety-related circuits.
  • Prevent retriggering in the case of an error.

   

Technology
Extension modules : Compact module with positively-driven safety relays which is triggered by the associated function module (basis module) and monitored via a feedback loop. An extension module can only reach the basis module's safety category acc. to EN 954-1 as a maximum.

Delay modules : Delay-release time-delay relay with or without auxiliary voltage and adjustable or fixed time setting. High long-term stability thanks to digital timer. Two time circuits working independent of each other to implement a cutoff redundancy. Positively driven release contacts.

Coupling modules : Coupling modules feature safety relays with positively driven contacts according to EN 50205. Positive-action is present if the contacts are mechanically linked to each other so that NC and NO contacts can never be closed at the same time. For this it must be ensured that a contact gap of at least 0.5 mm is present over the whole service life, even in fault condition.

Applications
Extension modules : Multiplication of release circuits of a basis module to cut off any number of control circuits in a safety-related manner.

Delay modules : Quick stopping of a dangerous movement of drives with masses.A typical example are tools rotating with high speed, which still coast after cutoff for a longer time.

Coupling module : Used, for example, for self-monitoring safety circuits, for the adjustment of control and power levels and for switching safety-related functions.