Rockwell Automation Liqui-Flo DBT Reach Drive - Manual (Page 201)

Technical Specifications A-5
Table A.8 – Encoder
Type Incremental, dual channel
Supply 12V, 250mA. 12V,10mA minimum inputs isolated with
differential transmitter, 250 kHz maximum
Quadrature 90 ° , +/- 27 degrees at 25° C
Duty Cycle 50%, +10%
Requirements Encoders must be line driver type, quadrature (dual
channel) or pulse (single channel), 8-15VDC output,
single-ended or differential and capable of supplying a
minimum of 10mA per channel. Maximum input frequency
is 250 kHz. The Encoder Interface Board accepts 12VDC
square-wave with a minimum high state voltage of 7.0VDC
(12 volt encoder). Maximum low state voltage is 0.4VDC.
Table A.9 – Dynamic Brake Resistor
Regen DC Bus Voltage
(V
d
)
790 Volts
Minimum Ohms,
External Brake
Resistor 11.0 Ohms
Table A.10 – Auxillary Power Supplies
24 V 3 isolated supplies at 0.025 A
1 isolated supply at 0.075 A
1 supply at 0.8 A
(24 V +/- 10%)
15 V 1 isolated supply at 0.1 A
(15 V +/- 10%)
+12 V 1 supply at 0.6 A
(+12 V +/- 10%)
-12 V 1 supply at 0.2 A
(-12 +/- 10%)
5 V 1 supply at 2.0 A
(5V +/- 10%)