Specifications – Rockwell Automation 1771-SF1 SERVO INT MOD User Manual
Page 12
Component Interfacing, Module
Preparation, and Installation
Chapter 2
2Ć8
Counter
Input
Analog Output (Single Channel to Servo
Amplifier)
•
Differential
•
Ć10V to + 9.995V
•
Full quadrature encoder
•
Ć5mA to +5mA max.
Counter Range
Max. Cable Distance
•
0Ć255
10
•
Marker input is latched and
reset by user program.
•
40 ft. encoder input
•
40 ft. TTL output
•
5 ft. analog output
Max. Input Frequency
Ambient Temperature Rating
•
50 KHz, any channel
•
Operational : 0
o
to 60
o
C (32
o
to 140
o
F)
•
Storage : Ć40
o
to 85
o
C (Ć40
o
to 185
o
F)
TTL Input/Output Voltage
•
0.6 V max. low voltage
Relative Humidity Rating
•
2.4 V min. high voltage
•
5% to 9% (without condensation)
TTL Input Current
•
15mA per line driver channel
(differential inputs only)
TTL Output Current
•
7.9mA @ 2.4V as source
•
12mA max. as sink
Number of TTL Outputs
•
Two
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