Manual

Introduction 2-7
Publication 999-122 - January 1997
Environmental Specifications
Electrical Specifications
Encoder Input Specifications
Storage
Temperature -40°C to 70°C (-40°F to 158°F).
Operating
Temperature 0°C to 50°C (32°F to 122°F).
Maximum
Humidity 95% non-condensing.
AC Power Input 90 - 132 or 175 - 264 Volts AC,
47 - 63 Hz,
3 Amperes maximum.
AC Fuse 3A Dual Element Time Delay (Slow Blow) 1/4 x 11/4
I/O Power Input 18 - 36V DC,
3A maximum (24V nominal).
I/O Fuse 3A Dual Element Time Delay (Slow Blow) 1/4 x 11/4
Number of
Encoder Inputs
2 (Axis 0 and Axis 1) IMC-S/232...models.
4 (Axis 0, 1, 2, and 3) IMC-S/234...models.
Type of
Encoder Input
Incremental AB quadrature; optically isolated, differential with marker
channel.
Encoder
Interface IC AM26LS32 or equivalent.
Compatible
Encoder Types
Differential, TTL-Level (5V DC) line driver outputs, with or without
marker; including the following Allen-Bradley devices:
845F-SJxZ14-xxYx...
845F-SJxZ24-xxYx...
845H-SJxx14xxYx...
845H-SJxx24xxYx...
845K-SAxZ14-xxY3
845K-SAxZ24-xxY3
845P-SHC14-xx3
845T-xx12Exx...
845T-xx13Exx...
845T-xx42Exx...
845T-xx43Exx...
Decode Modes 4X Quadrature, Step/Direction, Count Up/Count Down.
Maximum Encoder
Frequency
4,000,000 counts per second (4 MHz). This is equivalent to a channel
frequency of 1 MHz in 4X quadrature decode mode.
Input
Impedance 7 kΩ minimum (each input).
Encoder
Power
5 or 12 Volts DC at 1 Ampere (total) available from IMC-S/23x. Voltage
selection by internal switch.