Technical data

12/2006 – Subject to change – Multi-Axis Controllers and ServoWire
®
Digital Drives
17
Technical Data – Electrical
SEC-SDD ServoWire
®
Digital Drives
3
I/O Specifications
All Models
I/O Power Supply (V+S and V-S)
Externally supplied voltage For high speed sensor inputs, digital inputs, and digital outputs
Max voltage between V+S and V-S +27 VDC maximum
High-speed Sensor Inputs
Input current depends on software configuration
NPN type sensor
PNP type sensor
–8.9mAat24VDC(with2.7kΩ pull-up resistor selected in drive)
– Current depends on pull-down resistance in sensor (or external pull down)
Maximum voltage V+S
Minimum acceptance time 1 µs
Turn on voltage
V
IN
> 0.5 x (V+S) + 0.4 VDC
V
IN
< 0.5 x (V+S) + 0.1 VDC
Receiver output:
–high
–low
Digital I nputs, 4 [1 Input: bidirectional
1)
], Optically Coupled
Current (switch on) 0.7 mA minimum
7.0 mA maximum
Voltage maximum 5V + V+S maximum
Digital Outputs, 5 [1 Output: bidirectional
2)
], Optically Coupled
Maximum sink current 33 mA
Low level voltage 0.7 VDC maximum (lc = 33 mA)
High level voltage V+S –0.5 VDC
Absolute maximum 27 VDC
1) Sensor/switch should sink current to prevent an over travel limit condition (NPN or switch).
2) Bidirectional pin shared.
Certification
c UL us - Listed
89/336/EEC (EMC)
73/23/ECC (low voltage)
Performace Specifications 2A 4A 8A 14 A
Type Resolver Variant SEC-SDDR2/4-SA SEC-SDDR4/7-SA SEC-SDDR8/14-SA SEC-SDDR14/24-SA
Encoder Variant SEC-SDDE2/4-SA SEC-SDDE4/7-SA SEC-SDDE8/14- SA SEC-SDDE14/24-SA
PWM frequency 20 kHz 10 kHz
Torque loop 10 kHz
Position loop 500 Hz to 2 kHz
Velocity loop 2.5 kHz
Weights 2A 4A 8A 14 A
T ype Resolver Variant SEC-SDDR2/4-SA SEC-SDDR4/7-SA SEC-SDDR8/14-SA SEC-SDDR14/24-SA
2.0 kg 2.7 kg
Type Encoder Variant SEC-SDDE2/4-SA SEC-SDDE4/7-SA SEC-SDDE8/14-SA SEC-SDDE14/24-SA
1.9 kg 2.6 kg