CM3 Positioning Module Buffer Memory

To write to buffer memory, use the TO instruction.

To read from buffer memory, use the FROM instruction.

Please refer to the table below for writing to and reading from buffer memory.

CM3-SP02POS Buffer Memory

CM3-SP02POS Buffer Memory
Offset				Details	Description	Read	Write
X-Axis		Y-Axis
Hex	Dec	Hex	Dec
46H	70	78H	120	Pulse Control Type	Refer here	✓	✓
47H	71	79H	121	Bias Speed	1pps ~ 100,000pps	✓	✓
48H	72	7AH	122
49H	73	7BH	123	Speed Limit	1pps ~ 200,000pps	✓	✓
4AH	74	7CH	124
4BH	75	7DH	125	Acceleration/Deceleration Time 0	1ms ~ 65,535ms	✓	✓
4CH	76	7EH	126	Acceleration/Deceleration Time 1
4DH	77	7FH	127	Acceleration/Deceleration Time 2
4EH	78	80H	128	Acceleration/Deceleration Time 3
4FH	79	81H	129	Reserved	-	-	-
50H	80	82H	130	Reserved	-	-	-
51H	81	83H	131	Software Upper Limit	-2,147,483,648 ~ 2,147,483,647	✓	✓
52H	82	84H	132
53H	83	85H	133	Software Lower Limit	-2,147,483,648 ~ 2,147,483,647	✓	✓
54H	84	86H	134
55H	85	87H	135	Coordinate Indication Method	Refer here	✓	✓
56H	86	88H	136	Backlash Compensation	0 ~ 65,535 Pulses	✓	✓
57H	87	89H	137	External Input Signal Function Selection	Refer here	✓	✓
58H	88	8AH	138	JOG Speed Limit	1pps ~ 200,000pps	✓	✓
59H	89	8BH	139
5AH	90	8CH	140	JOG Acceleration/Deceleration Time	Acceleration or Deceleration Time (0 ~ 3)	✓	✓
5BH	91	8DH	141	Inching Speed	0pps ~ 65,535pps	✓	✓
5CH	92	8EH	142	Reserved	-	-	-
5DH	93	8FH	143	Dwell Time	0ms ~ 50,000ms	✓	✓
5EH	94	90H	144	Positioning Decision Completion Output Time	0ms ~ 65,535ms	✓	✓
5FH	95	91H	145	Reserved	-	-	-
60H	96	92H	146	Reserved	-	-	-
61H	97	93H	147	Reserved	-	-	-
62H	98	94H	148	Reserved	-	-	-
63H	99	95H	149	Reserved	-	-	-
64H	100	96H	150	Origin Return Settings	Refer here	✓	✓
65H	101	97H	151	Origin Address	-2,147,483,648 ~ 2,147,483,647	✓	✓
66H	102	98H	152
67H	103	99H	153	Origin High-Speed Return	0pps ~ 200,000pps	✓	✓
68H	104	9AH	154
69H	105	9BH	155	Origin Low-Speed Return	0pps ~ 200,000pps	✓	✓
6AH	106	9CH	156
6BH	107	9DH	157	Origin Return Acceleration/Deceleration Time	Acceleration or Deceleration Time (0 ~ 3)	✓	✓

Pulse Control Type

Pulse Control Type
Bit	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
Function	Not Used: 0 Low Active: 1 High Active: 2		Not Used

Coordinate Indication Method

• The coordinate indication method is the position display during driving.

Coordinate Indication Method
Bit	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
Function	No Update: 0 Update: 1 Update After Clearing: 2		Not Used

External Input Signal Function Selection

External Input Signal Function Selection
Bit	Function
0	External Upper & Lower Limit Function Disable: 0 Enable: 1
1	External Ready Signal Disable: 0 Enable: 1
2	External Inposition Disable: 0 Enable: 1
3	Not Used
4
5
6
7
8	External Deceleration Limit Logic Selection A Contact: 0 B Contact: 1
9	External Acceleration Limit Logic Selection A Contact: 0 B Contact: 1
A	Approximate Origin Logic Selection A Contact: 0 B Contact: 1
B	Origin Logic Selection A Contact: 0 B Contact: 1
C	Not Used
D
E
F

Origin Return Settings

Origin Return Setting
Bit	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
Function	External Upper & Lower Limit Function Disable: 0 Enable: 1	External Ready Signal Disable: 0 Enable: 1	External Inposition Disable: 0 Enable: 1	Not Used					Origin Return Direction Forward: 0 Reverse: 1	Not Used