SAFEMASTER W – Radio Controlled Safety System
Wireless Functional Safety in group mode
The radio controlled safety system UH 6900 of the SAFEMASTER W series comprising a group controller and up to 255 group receivers for the safety transmission of emergency-stop and control functions provides more flexibility when securing dangerous areas. The group controller can be used to let several receivers securely shut down through a unidirectional, safety radio transmission. Furthermore, the controller together with a receiver can exchange indicator, control and status information. The main application areas include mobile applications, such as completely-automated floor conveyors and automated guided vehicles.
Your advantages at a glance
Unidirectional with indication signals
Wireless safe signal transmission ensures a high level of availability, even in rough wide ranging and difficult to access plants
Safe signal transmission
Safe radio transmission of emergency stop functions offers additional flexibility in protecting hazardous areas
Highest safety standards
Suitable for use in safety applications up to Cat. 4 / PL e or SIL 3
Range
The range in open areas is up to 800m allowing exceptional signal coverage
Signal strength
Adjustable transmission power offers variable area coverage
Spectrum analysis
The integrated Spectrum Analyzer provides a quick overview of all available channels
Group mode and start options
Adjustable group mode with several start options allows customized system adaptation
Diagnostic options via USB
Status display and data logging via the free SAFEMASTER W Manager software, extends functionality and simplifies set up
2-Channel safety inputs
Connect up to 3 two-channel safety functions (E-stop, light curtain, safety gate, two-hand mode, etc.)
Control functions
Up to 8 function inputs and outputs
Indication contact
(Group controller)
One indication output with 3 contact paths
Forcibly guided contacts
(Group receiver)
One safety output with 3 redundant contact paths
Certified safety
The SAFEMASTER W series is approved for use in safety applications up to Cat. 4 / PL e or SIL 3. The latest radio controlled technology ensures reliable protection for people, machinery, and the environment.
Basic function:
Group mode
Safe shutdown of all group receivers
The radio controlled safety system UH 6900 in group mode, transmits safety signals from the group controller to one or more group receivers.
Up to three 2-channel safety sensors (such as emergency-stop, light curtain, safety gate, etc.) can be connected to the controller. After actuating one of these safety functions, the safety outputs of all group receivers shut down in a safe and reliable manner. This is accomplished by each receivers 3 x redundant safety contact paths.
Three hard wired safety sensors can be connected to each group receiver which can then operate its own safety contact output.
● ● ● ● ● Safety-oriented shutdown
Function expansion
Group mode with feedback
Control and report – bidirectional communication
Group mode with reaction coupling
Group shutdown by every participant – wireless and from any location
Function expansion:
Group mode with feedback
Control and report – bidirectional communication
By pairing the group controller with a group receiver using the SAFEMASTER W Manager software, additional control, indication and status information can be exchanged between these devices.
Through the ability to transmit bidirectional signals, very remote receivers are also able to receive information, e.g. that the control command has been executed.
Each of the 8 digital inputs act on the 8 digital outputs of the coupled device, so they can be used for user-specific control functions – wirelessly without additional installation wiring costs.
The indication output with three contact paths forwards the status of the safety output of the paired group receiver to the controller.
● ● ● ● ● Safety-oriented shutdown
● ● ● ● ● Indication / control signals
Function expansion:
Group mode with reaction coupling
Group shutdown by every participant – wireless and from any location
The group mode setting with reaction coupling provides a facility for the group shutdown. If the safety function of a group receiver is activated, the local safety output switches off and the output contacts of all the other group subscribers are not safety-oriented shut down.
This function expansion can be optionally activated with the SAFEMASTER W Manager software and offers some advantages, especially when processes are coordinated with each other. If, e.g., a local emergency-stop is actuated in a zone, all system parts that are participating are also shut down.
● ● ● ● ● Safety-oriented shutdown
● ● ● ● ● Group shutdown
Quick start in just 3 steps
1. Quickly and easily set the operating mode using the rotary switch
2. Select frequency channel using SAFEMASTER W Manager
3. Set transmission power using SAFEMASTER W Manager
The possibilities of UH 6900
Practical application
Complete protection for mobile systems and plants
The radio controlled safety system UH 6900 makes best use of its inherent advantages in wide ranging and mobile systems where wiring is not possible, e.g. in logistics with automated guided vehicles (AGV).
With the group controller in the switch cabinet, all AGV’s can be safety switched off during an emergency stop. This guarantees safety during service or maintenance procedures and on installation.
In addition, each AGV can be locally switched off during a dangerous situation. With “Group mode with reaction coupling” all subscribers in the group can also be simultaneously stopped, which prevents a possible collision with the stationary AGV.
During maintenance or service work, the maintenance staff (forklift in Zone 2) can communicate through the “Group mode with feedback” function with the PLC. For example, certain zones can be blocked or released to let service work be carried out unimpaired in an active zone.
● ● ● ● ● Safety-oriented shutdown
● ● ● ● ● Group shutdown
● ● ● ● ● Indication / control signals
Best possible safety for all industries
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Intralogistics
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Machine building industry
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Paper and printing industry
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Food industry
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Automotive industry
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Recycling industry
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Packaging machines
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Mining and steel industry
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Gantry cranes
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Transportation and conveying technology
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Wind energy systems
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Ship building and harbour systems
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Construction materials industry
… and anywhere else where safety is the highest priority. Also in your industry!
Innovative safety solutions
As a solution provider in the field of safe automation and electrical safety, DOLD offers a comprehensive portfolio from a single source. Our SAFEMASTER solutions have been used successfully worldwide for many decades.
