2 list of rtu mode queries, Modbus – IAI America ROBO Cylinder Series User Manual

Page 67

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5. Modbus RTU

59

Modbus

5.2 List of RTU Mode Queries

FC: Function code

PIO: Parallel I/O (input/output of an I/O connector)

The circle marks in the Combination use with PIO and Broadcast columns indicate queries that can be

combined with PIO and in broadcast communication, respectively.

FC

Function

Symbol

Function Summary

Combination

with PIO

Broad-

cast Page

03 Multiple FC03

register read

None This function can be used to successively

read multiple registers that use function 03.

{

61

03

Alarm detail

description reading

ALA0

ALC0

ALT0

This bit reads the alarm codes, alarm

addresses, detail codes and alarm

occurrence time (passed time) that lately

occurred.

{

64

03 Total moving count

reading

TLMC This bit reads the Total moving count.

{

66

03 Total moving

distance reading

ODOM This bit reads the Total moving distance in

units of 1 m.

{

68

03 Present time

reading

TIMN

This bit reads the present time.

(Dedicated for PCON-CA/CFA and

SCON-CA)

{

70

03 Total FAN driving

time reading

TFAN This bit reads the Total FAN driving time.

(Dedicated for PCON-CFA )

{

74

03 Current position

read

PNOW This function reads the current actuator

position in units of 0.01 mm.

{

76

03 Present alarm code

read

ALMC This function reads alarm codes that are

presently detected.

{

78

03 I/O port input status

read

DIPM This function reads the ON/OFF statuses of

PIO input ports.

{

80

03 I/O port output

status read

DOPM This function reads the ON/OFF statuses of

PIO output ports.

{

84

03

Controller status

signal read 1

(device status 1)

(Operation preparation

status)

DSS1

This function reads the following 12 statuses:

[1] Emergency stop

[2] Safety speed enabled/disabled

[3] Controller ready

[4] Servo ON/OFF

[5] Missed work part in push-motion

operation

[6] Major failure

[7] Minor failure

[8] Absolute error

[9] Brake

[10] Pause

[11] Home return completion

[12] Position complete

[13] Load cell calibration complete

[14] Load cell calibration status

{

88

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