YASKAWA E-7S SERVOPACK SGD7S Product Manual page 71

2.1 Ratings and Specifications
2.1.4 Specifications
Operating
Methods
Analog Monitor (CN5)
Dynamic Brake (DB)
Regenerative Processing
Overtravel (OT) Prevention
Protective Functions
Utility Functions
Safety
Functions
Applicable Option Modules
*1.
The coefficient of speed fluctuation for load fluctuation is defined as follows:
Coefficient of speed fluctuation = No-load motor speed - Total-load motor speed
*2.
Always perform risk assessment for the system and confirm that the safety requirements are met.
2-10
Item
• Program table positioning in which steps are executed sequentially by
Program Table commands given through contact input or serial communications
• Positioning in which station numbers are specified by commands
Method
given through contact input or serial communications
Max.
Number of 256
Steps
Max.
Number of 256
Tables
Max.
Number of 256
Stations
Serial command by 1-channel ASCII code
Serial Communications specifications: RS-422/485 (50 m max.)
Communications Connection topology: Multi-drop connection
Method
Baud rate: 9600, 19200, 38400 bps
Other Functions Registration (positioning by external signals), homing
Number of points: 2
Output voltage range: ±10 VDC (effective linearity range: ±8 V)
Resolution: 16 bits
Accuracy: ±20 mV (Typ)
Maximum output current: ±10 mA
Settling time (±1%): 1.2 ms (Typ)
Activated when a servo alarm or overtravel (OT) occurs, or when the
power supply to the main circuit or servo is OFF.
Built-in (An external resistor must be connected to the SGD7S-470A to
-780A.)
Refer to the following manual for details.
Stopping with dynamic brake, deceleration to a stop, or coasting to a
stop for the P-OT (Forward Drive Prohibit) or N-OT (Reverse Drive Pro-
hibit) signal
Overcurrent, overvoltage, low voltage, overload, regeneration error, etc.
Gain adjustment, alarm history, jog operation, origin search, etc.
Inputs /HWBB1 and /HWBB2: Base block signals for Power Modules
Output EDM1: Monitors the status of built-in safety circuit (fixed output).
Applicable
ISO13849-1 PLe (Category 3), IEC61508 SIL3
*2
Standards
Fully-Closed Module
Note: You cannot use a Safety Module if you are using an INDEXER Module.
Specification
(16 axes max.)
Σ-7-Series Peripheral Device Selection Manual (Manual No.: SIEP
S800001 32)
Rated motor speed
Continued from previous page.
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