UFactory xArm 7 User Manual

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2.4.2. Dedicated Safety I/O
This section describes the dedicated safety inputs and their configurations of the
safety I/O. Please follow the universal specifications in Section 2.4.1.
Safety devices and equipment must be installed to comply with the safety instructions
and risk assessment (see Chapter 1).
All safety I/Os exist in pairs (redundancy) and must be kept in two separate branches.
A single I/O failure should not result in the loss of safety features. There are two fixed
safety inputs:
•
The robotic arm emergency stop input is only used for the emergency stop of the
device.
• The protective stop input is used for all types of safety protection.
The functional differences are as follows.
Emergency Stop
Protective Stop
Stops the motion of the robotic arm
Yes
Yes
Program execution
Stop
Suspend
The power supply of the robotic arm
Off
On
Reset
Manual
Auto or manual
Usage frequency
Not frequent
No more than once per run cycle
Need re-initiation
Only releasing the brake
No
2.4.2.1.Default Safety Configuration
The robotic arm has been configured by default and can be operated without any
additional safety equipment, as the figure below. If there is a problem with the robotic
There is no current protection on the digital output of the
Control Box. If the specified values exceeded, permanent
damage may result.

UFactory xArm 7 Specifications

General

Payload Capacity	7 kg
Reach	700 mm
Degrees of Freedom	7
Weight	31 kg
Repeatability	±0.02 mm
Power Supply	220 VAC
Control Method	ROS, TCP/IP, Modbus
Protection Level	IP54
Communication Interface	Ethernet
Operating Temperature	0°C to 45°C