Galil Motion Control CDS-3310, User Manual

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CDS-3310 Chapter 3 Connecting I/O
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Chapter 3 Connecting I/O
Overview
This chapter describes the inputs and outputs and their proper connection (see appendix if you are
using an ICM-3300). In addition to encoder and hall inputs, the CDS-3310 provides the I/O listed
below:
INPUTS OUTPUTS
quantity description quantity description
8 general 10 general
1 reverse limit 1 amp enable/error
1 forward limit 1 output compare
1 home 1 brake
1 abort (ELO) 1 analog
1 reset
2 aux encoder
2 analog
The DB-28040 can be used to add an additional 40 digital I/O and 8 analog inputs (see appendix).
Inputs
All digital inputs accept a 0 or 5V signal and are pulled up to 5V. To change the state of the input, the
input must be shorted to ground (GND).
General Use Digital Inputs
The general use inputs are TTL and are labeled DGTL IN 1 to DGTL IN 8 on the silkscreen on the
sheet metal. These inputs can be interrogated with the use of the command TI (Tell Inputs), the
operand _TI, and the function @IN[n] (see Chapter 7, Mathematical Functions and Expressions).
Digital input 8 can accept a differential (two-wire) signal. To connect a single-ended (one wire) signal,
connect to DGTL IN 8+ and leave DGTL IN 8- disconnected.
Limit Switch Inputs
The forward limit switch (FLSx) inhibits motion in the forward direction immediately upon activation
of the switch. The reverse limit switch (RLSx) inhibits motion in the reverse direction immediately
upon activation of the switch. If a limit switch is activated during motion, the controller will make a
decelerated stop using the deceleration rate previously set with the DC command. The motor will
remain on (in a servo state) after the limit switch has been activated and will hold motor position. To