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Sigma II User's Manual
Servo Amplifier Model
SGDH–
Form
Position Output
Frequency Dividing Ratio
Signal allocation can be
Sequence Input
modified
Fixed Output
Sequence Output
Signal allocation can be
modified
Dynamic Brake
Regeneration
Overtravel Stop
Electronic Gear
Protection
LED Display
CN5 Analog Monitoring
Connected Devices
1:N Communications
Communications
Axis Address Setting
Functions
Others
A3
A5
01
02
04
A-, B-, C-phase line driver
S-phase line driver (only with an absolute encoder)
Any
Servo ON, P control (or Control Mode switching, forward/reverse motor rotation by
internal speed setting, zero clamping, reference pulse prohibited), forward run pro-
hibited (P-OT), reverse run prohibited (N-OT), alarm reset, forward current limit and
reverse current limit (or internal speed selection)
Servo alarm, 3-bit alarm codes
Positioning completed (speed coincidence), during servomotor rotation, servo
ready, during current limiting, during speed limiting, brake released, warning,
selecting three of the NEAR signals.
Operated at main power OFF, servo alarm, servo OFF, or overtravel.
External regenerative resistor.
Dynamic brake stop at P-OT or N-OT, deceleration to a stop, or free run to a stop.
0.01 <A/B < 100
Overcurrent, overvoltage, low voltage, overload, regeneration error, main circuit
voltage error, heat sink overheated, no power supply, overflow, overspeed,
encoder error, overrun, CPU error, parameter error, etc.
Charge, Power, five 7-segment LEDs (built-in Digital Operator functions)
Analog monitor connector built in for monitoring speed, torque and other reference
signals.
Speed: 1V/1000rpm
Torque: 1V/rated torque
Pulses remaining: 0.05V/reference units or 0.05V/100 reference units
Digital Operator (hand-held model), RS-422A port such as for a personal computer
(RS-232C ports under certain conditions)
Up to N = 14 for RS-422A ports
Set with parameters.
Status display, user constant setting, monitor display, alarm trace-back display,
JOG and auto-tuning operations, speed, torque reference signal and other drawing
functions.
Reverse rotation connection, origin search, automatic servomotor ID, DC reactor
connection terminal for high power supply frequency control
8-23
Chapter 8: Ratings and Characteristics
05
08
10
15
Built-in.
20
30
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