Yaskawa MP920 Motion Module - Manual (Page 255)

6 SVB Module Specifications and Handling
6.2.1 Motion Fixed Parameters
6-20
27 Positive Software
Limit (SLIMP) Set the positions at which the software limit function is to operate on the
machine coordinate system.
• Setting range: 1 to 2
31
-1 [reference units]
Whether or not the software limits are used is set in bit 7 and bit 8 of the Servo
Controller Function Selection Flags at fixed parameter No. 17.
With the software limits, the upper and lower limits of the movement range for
the machine system are set in fixed parameters and the operating range is con-
stantly monitored by the controller.
2147483647
29 Negative Software
Limit (SLIMN) -2147483648
31 Zero Point Return
Method
(ZRETSEL) Set the zero point return method when returning to the zero point
(ZRET) using OW††20: Motion Command Code.
Refer to Zero Point Return Method on the next page for details.
• 0: DEC1 + Phase-C pulse
• 1: Zero signal
• 2: DEC1 + Zero signal
• 3: Phase-C pulse
0
(DEC1 +
Phase-C
pulse)
32 to
48
Not used. − −
Table 6.2 Motion Fixed Parameters (cont’d)
No. Name Description Factory
Setting
Software limit
(lower limit) Software limit
(upper limit)
Reverse
overtravel Forward
overtravel
(Machine movement range)