Item Specification
Analog Monitor (CN5) 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)
Dynamic Brake (DB) Activated when a servo alarm or overtravel (OT) occurs, or when
the power supply to the main circuit or servo is OFF.
Regenerative Processing Built-in (An external resistor must be connected to the
SGD7S-470A to -780A.)
Refer to the following manual for details.
& Σ-7-Series AC Servo Drive Peripheral Device Selection
Manual (Manual No.: SIEP S800001 32)
Overtravel (OT) Prevention 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 Prohibit) signal
Protective Functions Overcurrent, overvoltage, low voltage, overload, regeneration
error, etc.
Utility Functions Gain adjustment, alarm history, jogging, origin search, etc.
Safety Func-
tions
Inputs /HWBB1 and /HWBB2: Base block signals for Power Modules
Output EDM1: Monitors the status of built-in safety circuit (fixed output).
Applicable Standards
*3
ISO13849-1 PLe (category 3), IEC61508 SIL3
Applicable Option Modules Fully-closed Modules
n SGDV-OFB01A
n SGDV-OFB03A
n SGDV-OFB04A
n SGDV-OFA01A
Safety Modules
n S-7 200 V: SGDV-OSA01A
Note: You cannot use a Fully-closed Module and a Safety
Module together.
*1. If you combine a Σ-7-Series SERVOPACK with a Σ-V-Series Option Module, the fol-
lowing Σ-V-Series SERVOPACKs specifications must be used: a surrounding air tempera-
ture of 0°C to 55°C and an altitude of 1,000 m max. Also, the applicable surrounding
range cannot be increased by derating.
*2. The coefficient of speed fluctuation for load fluctuation is defined as follows:
× 100%
Coefficient of speed fluctuation =
No-load motor speed - Total-load motor speed
Rated motor speed
Fig. 16: Coefficient of speed fluctuation - Formula
*3. Always perform risk assessment for the system and confirm that the safety require-
ments are met.
Sigma-7 Series SERVOPACKs
Selecting a SERVOPACK
Ratings and Specifications > Specifications
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