List Of Related Devices; Function And Operation - Mitsubishi FX3G Series User Manual

FX /FX /FX PLC User's Manual - Positioning Control Edition
3G 3U 3UC
Built-in Positioning Functions
7.2

List of Related Devices

1. Special auxiliary relays
The following table shows the related special auxiliary relays.
Note that Y000, Y001, Y002, and Y003 are devices that determine the pulse output destinations.
→ For details on PLSY (FNC57), PWM (FNC58), and PLSR (FNC59) instructions, refer to the
Device number
Y000 Y001
*1. Y002 is not available in 14-point and 24-point type FX
*2. Devices related to Y003 (pulse output destination) are only valid if two FX
connected to the FX
2. Special data registers
The following table shows the related special data registers. Note that Y000, Y001, Y002, and Y003 are
devices that determine the pulse output destinations.
Y000
Low-
D8340
order
High-
D8341
order
*1. Y002 is not available in 14-point and 24-point type FX
*2. Devices related to Y003 (pulse output destination) are only valid if two FX
connected to the FX
7.3

Function and Operation

Connect an MR-H, MR-J2(S), or MR-J3 servo motor (with absolute position detection function) manufactured
by Mitsubishi to your system, and use this instruction to read out the absolute position (ABS) data. The data
will be converted into a pulse value before being read out.
Command
input
FNC 155
DABS
1) For , specify the first number of the device that inputs the absolute position (ABS) data from the
S
servo amplifier. Number of occupied points: 3 (
2) For , specify the first number of the device that outputs the absolute position (ABS) data control
D
1
signal to the servo amplifier. Be sure to use transistor outputs for the PLC outputs.
Number of occupied points: 3 (
3) For , specify the absolute position (ABS) data (32-bit value) storage device number to store the
D
2
data read out from the servo amplifier. Handle the absolute position (ABS) data as follows:
- To use the built-in pulse output function, be sure to specify the following current value registers for the
read-out ABS data:
Y000
D8341,D8340
*1. Y002 is not available in 14-point and 24-point type FX
*2. Devices related to Y003 (pulse output destination) are only valid if two FX
connected to the FX
B - 106
→ For details on the related devices, refer to Section 4.1 to Section 4.4.
*1 *2
Y002 Y003
M8029 "Instruction execution complete" flag
M8329 "Instruction execution abnormal end" flag
PLC.
3U
Device number
Y001
Y002
Low-
D8350 D8360
order
High-
D8351 D8361
order
PLC.
3U
•
S• D D
1
,
D
1
Y001
D8351,D8350
PLC.
3U
7 Absolute Position Detection System (Absolute Current Value Read)-ABS Instruction
Function
PLC.
3G
*1 *2
Y003
Low- Low-
D8370
order order
High- High-
D8371
order order
PLC.
3G
2•
, +1,
S S
+1, +2)
D D
1 1
*1
Y002
D8361,D8360
PLC.
3G
7.2 List of Related Devices
programming manual.
Attribute
Read only
Read only
-2HSY-ADP adapters are
3U
Data Initial
Function
length value
Current
value
32-bit
register
(PLS)
-2HSY-ADP adapters are
3U
+2)
S
*2
Y003
D8371, D8370
-2HSY-ADP adapters are
3U
Refer to
Subsection
4.4.2
Subsection
4.4.2
Refer to
Subsection
0
4.4.1