Input And Output Signals - Allen-Bradley Micro830 User Manual

Chapter 7 Motion Control

Input and Output Signals

Fixed PTO Input/Output
Motion Signals
PTO pulse
PTO direction
Lower (Negative) Limit switch
Upper (Positive) Limit switch
Absolute Home switch
Touch Probe Input switch
70
Multiple input/output control signals are required for each motion axis, as
described in the next tables. PTO Pulse and PTO Direction are required for an
axis. The rest of the input/outputs can be disabled and re-used as regular I/O.
PTO0 (EM_00)
Logical Name Name on
in Software Terminal
Block
_IO_EM_DO_00 O-00
_IO_EM_DO_03 O-03
_IO_EM_DI_00 I-00
_IO_EM_DI_01 I-01
_IO_EM_DI_02 I-02
_IO_EM_DI_03 I-03
Configurable input/output
Motion Signals
Servo/Drive On
Servo/Drive Ready
In-Position signal (from
Servo/motor)
Home Marker
These I/O can be configured through the axis configuration feature in
Connected Components Workbench. Any outputs assigned for motion should
not be controlled in the user program.
See Motion Axis Configuration in Connected Components Workbench on
page 95.
IMPORTANT
PTO1 (EM_01)
Logical Name Name on
in Software Terminal
Block
_IO_EM_DO_01 O-01
_IO_EM_DO_04 O-04
_IO_EM_DI_04 I-04
_IO_EM_DI_05 I-05
_IO_EM_DI_06 I-06
_IO_EM_DI_07 I-07
Input/Output Notes
OUTPUT Can be configured as any embedded output.
INPUT Can be configured as any embedded input.
INPUT Can be configured as any embedded input.
INPUT Can be configured as any embedded input, from input
0...15.
If an output is configured for motion, then that output can no longer be
controlled or monitored by the user program and cannot be forced. For
example, when a PTO Pulse output is generating pulses, the
corresponding logical variable IO_EM_DO_xx will not toggle its value
and will not display the pulses in the Variable Monitor but the physical
LED will give an indication.
If an input is configured for motion, then forcing the input only affects the
user program logic and not motion. For example, if the input Drive Ready
is false, then the user cannot force Drive Ready to true by forcing the
corresponding logical variable IO_EM_DI_xx to be true.
Rockwell Automation Publication 2080-UM002G-EN-E - March 2015
PTO2 (EM_02)
Logical Name in Name on
Software Terminal Block
IO_EM_DO_02 O-02
IO_EM_DO_05 O-05
IO_EM_DI_08 I-08
IO_EM_DI_09 I-09
IO_EM_DI_10 I-10
IO_EM_DI_11 I-11