Delta RMC151 - Manual (Page 904)

RMC70/150 and RMCTools User Manual
This status register stores the "registration position 1" obtained by a registration event.
This value will be valid until another "registration 1" event occurs.
9.2.1.8.3. Encoder Status
Type: Axis Status Register
RMC70 Address: %MDn.18, where n = 8 + the axis number
RMC150 Address: %MDn.18, where n = 8 + the axis number
System Tag: _Axis[n].EncStatus, where n is the axis number
How to Find: See individual parameters below
Data Type: DWORD – See Bits below
Description
The Encoder Status register is an Axis Status Register. It is a collection of bits that
provide a summary of a quadrature encoder. This register is only available for RMC70 QA
and Q1 modules and RMC150 Quadrature (Q) and Universal I/O modules.
Bits
Bit Tag Name Register Name
How to
Find in
Axis
Status
Registers
Pane
0 AIn A Input
Indicates the state of the quadrature A input
(0=Off, 1=On). Available on all axes with
quadrature inputs.
This status bit is valid only if the A Wire
Break bit is off.
The A Input and the A Wire Break are
combined into one tag name, AIn, as
described below. In the Axis Tools, these are
represented as On, Off, or Break.
A
Wire
Break
(bit
1)
A
Input
(bit
0)
Value
of
AIn
Tag
Description
0 0 0 A Input On
0 1 1 A Input Off
1 0 2 Wire Break
Detected
1 1 3 Wire Break
Detected
All tab:
Feedback
1 A Wire Break
Indicates whether a broken wire is detected
on the quadrature A input. Available only on
All tab:
Feedback
884 Delta Computer Systems, Inc.