Chapter 2 - Safety
28
Adept Cobra s600/s800 Robot User’s Guide, Rev H
Slow Speed Control Function and Testing
Adept robots can also be controlled manually when the operating mode key switch is in
the
MANUAL
position and the
HIGH POWER
light on the Front Panel is illuminated. When
Manual mode is selected, motion can only be initiated from the manual control pendant
(MCP or T1/T2). Per EN 775/ISO 10218, the maximum speed of the robot is limited to 250
mm per second (10 ips) in Manual mode. It is important to remember that the robot speed
is
not
limited when the robot is in Automatic (AUTO) mode.
The Risk Assessment for
teaching
this product depends on the application. In many
applications, the programmer will need to enter the robot workcell while Arm Power is
enabled to teach the robot. Other applications can be designed so that the programmer
does not have to enter the workcell while Arm Power is on. Examples of alternative
methods of programming include:
1. Programming from outside the safety barrier.
2. Programming with Arm Power off.
3. Copying a program from another (master) robot.
4. Off-line or CAD programming.
Control System Behavior Category
The following paragraphs relate to the requirements of European (EU/EEA) directives for
Machinery, Electric Safety, and Electromagnetic Compatibility (EMC).
In situations with low exposure consideration factors, European Standard EN 1050
specifies use of a Category 1 Control System per EN 954. EN 954 defines a Category 1
Control System as one that employs Category B components designed to withstand
environmental influences, such as voltage, current, temperature, EMI, and well-tried
safety principles. The standard control system described in this guide employs hardware
components in its safety system that meet or exceed the requirements of the
EU Machinery
Directive
and
Low Voltage Directive
.
The standard control system is fully hardened to all EMI influences per the EU EMC
Directive
and meets all functional requirements of ISO 10218 (EN 775)
Manipulating Robots
Safety
. In addition, a software-based reduced speed mode has been incorporated to limit
speed and impact forces on the Operator and production tooling when the robot is
operated in Manual Mode.
The standard control system meets or exceeds the requirements imposed by the EN 954
specified Category 1 level of safety.
2.5
Intended Use of the Robots
The installation and use of Adept products must comply with all safety instructions and
warnings in this manual. Installation and use must also comply with all applicable local
and national requirements and safety standards (see
The Adept Cobra s600 and s800 robots are intended for use in parts assembly and material
handling for payloads less than 5.5 kg (12.1 lb).
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