Siemens SINUMERIK 840C User Manual

Page 723

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09.95

10 Axis and Spindle Installation

10.4.3 Axis traversing

10.4.3

Axis traversing

10.4.3.1

Traversing in jog mode

Prerequisites

All axis setpoint cables inserted.

Control direction correct.

Position control loops closed.

All gain values correct.

Safety signals active (EMERGENCY STOP, HARDWARE LIMIT SWITCH).

The following alarms can prevent axis traversing:

Description

Alarm No.

2000

”EMERGENCY STOP"

148*
152*

188*
192*

Software limit switch approached (triggered by MD224*, 228*, 232*, 236*)
Software limit switch approached (triggered by MD224*, 228*, 232*, 236*)

Hardware limit switch approached
Hardware limit switch approached

168*

Interface unit revoked servo enable for traversing axis

156*

Set speed too high. Triggered by NC MD 264*.

112*

Zero-speed monitor
Axis is not in position. Triggered by NC MD 372*

116*

Contour monitor (triggered by NC MD 332*, 336*)

132*
136*

Hardware measuring-circuit monitor
Measuring system dirty

The following additional signals (which do not trigger an alarm) are required for traversing in
jog mode:

No feed disable

X, Y, Z, 4 - 9

No feed disable all

No axis disable

X, Y, Z, 4 - 9

Servo enable

X, Y, Z, 4 - 9

No follow-up mode

X, Y, Z, 4 - 9

No parking axis

X, Y, Z, 4 - 9

Pulse enable with
digital drive

Interface test

© Siemens AG 1992 All Rights Reserved 6FC5197- AA50

10–33

SINUMERIK 840C (IA)

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