Specifications

MotionSuite™ MP940 Machine Controller Hardware Manual Section 2: Startup
10
Battery
A battery is needed during absolute encoder use for both MP940 and SGDH position
data memory.
The batteries are required under the conditions listed below:
SGDH MP940 Usage Method
No No • FLASH Operation
• Incremental encoder, or absolute encoder used as an
incremental encoder.
No Yes • No FLASH Operation (RAM used)
• Incremental encoder, or absolute encoder used as an
incremental encoder.
Yes No • FLASH Operation
• Absolute encoder used.
Yes Yes • No FLASH Operation (RAM used)
• Absolute encoder used.
Figure 2.6: MP940 and SGDH Batteries
MP940
SGDH Servo
Amplifier
MP940 Module
Battery for absolute
encoder position data
memory
Battery for RAM data
backup and position
data memory
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