上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
Specialized, Concentrated, Focused - 111 -
6.1.3 Parameter Setting of YASKAWA Σ-Ⅴ/Σ-7 Servo Driver
Parameter input
prohibition setting
Set [0000]: modification to user parameters [PnXXX]
and part of auxiliary function parameters [FnXXX]
permitted. Set [0001]: modification to user parameters
[PnXXX] and part of auxiliary function parameters
[FnXXX] prohibited.
Function selection
basic switch 0
Bit 0: Set 0, positive rotation at positive rotation
command; Bit 1: Set 1, position control mode (pulse
sequence command)
Format selection
switch of position
control command
Bit 0: Set 5, select the instruction mode as ―pulse +
direction‖, negative logic.
Bit 1: Set 0, Servo ON /S-ON, input from the 40
th
pin;
Set 7, Servo ON all the time. Bit 3: Set 8, positive
rotation not used and signal input (P-OT) prohibited.
Bit 0: Set 8, negative rotation not used and signal
input (N-OT) prohibited.
Output signal
selection 2
Set it when servo motor with brakes.
Bit 2: Set 3, brake interlock signal ―/BK‖ is output from
CN1-29, CN1-30 to control 24V relay used for brake.
Output signal
selection 1
Set it when servo motor with brakes.
To avoid of CN1-29 and CN1-30 being used for other
function and leading to brake ineffective, 3 is not
allowed to appear in the 4 digits.
Brake instruction-
servo OFF time
delay
Set it when motor with brakes
Default setting is ―0‖, setting unit is ms.
Electronic gear
ratio (numerator)
Pn20E Encoder resolution Pulse equivalent Deceleration ratio
Pn210 Screw pitch
For example, screw pitch 5mm, 20-bit encoder,
coupling direct drag, pulse equivalent 0.001mm,
20
Pn20E 2 0.001 1048576 131072
Pn210 5 5000 625
When screw pitch is 10mm,
PN20E 1048576 65536
==
PN210 10000 625
For a rotary axis with 13-bit encoder and deceleration
ratio as 60,
375
512
6000
8192
360
6000102
210
20
13
.
Pn
EPn
Electronic gear
ratio
(denominator)
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