Digital i/o details (ssi1000 drives), Special functions, Digital inputs – Lenze IMSS500+ Simple Servo 500 600 i1000 User Manual

Page 32: Digital outputs

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SimpleServo 500/600/i1000 User Manual Rev 3.4

5.3 Digital I/O details (SSi1000 drives)


SSi10XX indexing drives have 25-pin D-sub digital I/O connector. Digital I/O supplement on these
drives consists of 12 inputs and 5 outputs. All I/O optically isolated from rest of the drive’s circuitry.

5.3.1 Digital

inputs


SSi drives have 12 digital inputs which are separated on 4 groups. Each group has its own common
for inputs in the group. All inputs are optically isolated and suitable for 5–24 VDC input control voltage.
Some of the inputs can be configured to carry out special functions. Refer to Table 7 for digital inputs
function reference. All inputs have same electrical characteristics and the same input circuitry
arrangements.

5.3.1.1 Special

functions


Inputs C1,C2. Master Encoder connections

Inputs C1 and C2 are suitable for Master Encoder connection for Gear Mode usage. Inputs C1 and C2
are capable of handling signals with of up to 2 MHz rate. Refer to Programmer’s Manual for details.

Inputs A1,A2. Limit switches connection.

These inputs can be used for Limit switches connections. These two inputs will perform different
actions upon activation if programmed to do so. When programmed for <Not assigned> they function
as normal inputs. Refer to Section 7.3.2 for details.

Input A3. Enable

A3 input can be programmed for ENABLE function. When this input is programmed for ENABLE
function it must be active before ENABLE statement is issued otherwise fault will be generated. If this
input gets deactivated while drive is enabled drive will stop and generate fault. When input is not
programmed for a special function, it functions as a normal input.


Input C3. Registartion sensor input.

This input can be used for registration sensor connection. Upon activation of the input, current actual
position is recorded and is available for User Program. This input also used in all registration move
commands. Refer to Programmer’s Manual for details.

5.3.2 Digital

outputs


SSi drives have 5 digital outputs numbered 1 to 5. Outputs 1 - 4 can be configured as general-purpose
outputs, or can be configured for special functions (selection made via MotionView program in I/O
folder Section 7.3.1 of this manual). Output #5 is dedicated as “READY”, which is ON when SSi is
enabled and OFF when SSi is disabled or at fault. Output #5 is not accessible via User Program or
Host Interface.

All outputs are optically isolated from SSi circuitry and each other and are open collector type. They
have 30mA load capability. Both Collector and Emitter of each output are available for customer
connection.

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