Chapter 2 Specifications
PAGE 2-3
2-1-2 Nutrunner Performance
Torque Accuracy
・
Full scale torque (×1/2
~
1) Torque accuracy within a range
:
3σ sigma torque scatter within 3%
・
Full scale torque (×1/4
~
1/2) Torque accuracy within a range
:
3σ sigma torque scatter within 4%
(σ:Standard Deviation, Χ
―
:Average,
3σ/Χ
―
:Torque Accuracy)
=
=
n
i
i
x
n
x
1
1
,
2
1
)(
1
1
=
−
−
−
=
n
i
i
xx
n
σ
{
: Total fastening data,
i
x
(i=1,2,3,…, n) : Each fastening Data}
Angle Display (minimum)
0.1Degree
Angle (Internal Control)
0.1Degree
Torque Transducer
Accuracy
±1
%
((Full scale)
Torque Transducer linearity
±0.5
%
Fastening Method
Torque Method / Angle Method
Sampling Rate (approx.)
2000/sec
Torque Rate Settings
Three
2-1-3 Controller Unit Specifications
Controller Model
MFC-S024 MFC-S060 MFC-S120
Indicator
6 letters × 2-row, 7-segment LED indicator
9 function switches
Switches
Bypass slide switch: For changing between RUN and BYPASS
Setting switch: For user setting (Unit front panel)
Axis setting switch: Maximum of 32 spindles can be set (1 spdl. to 32 spdl.)
Internal setting switch: 8 bits, for setting by FEC (Unit bottom panel)
LED
MULTI LED, STATUS LED, JUDGE LED, COM. LED, BYPASS LED
CONTROL POWER LED, Ethernet LED
CPU
SH-2A
RS232C
Communication
38400bps (factory setting)/19200bps/9600bps, 1 port
External Analog
Monitor Output
Torque analog voltage, angle pulses, normal/reverse pulses, etc.
Axis Link
Communication
Dedicated axis link port (maximum number of connections: 32 spindles)
Ethernet
PC communication port; IEEE 802.3 compliant (100BASE-T)
Standard
I/O
Input
Bidirectional photocoupler input 12V DC 5mA / 24V DC 10mA
Number of input points: 12
* Either NPN (sink: - common) type and PNP (source: + common) type connections
may be used.
Output
Photo-MOS relay contact 24V DC 30mA, Number of output points: 12
* Either NPN (sink: - common) type and PNP (source: + common) type connections
may be used.