
5. CONNECTION TO CNC PERIPHERALS
B–63523EN/03
94
Recommended wire material specifications:
A66L–0001–0284#10P (#28AWG10 pair)
Recommended connector:
PCR–E20FS or PCR–E20FA
Housing PCR–V20LA
Max. line length 10m
Relationship between selector switch
: Switch open
f : Switch closed
– : Either OK
Unit No. *SEL7 *SEL4 *SEL3 *SEL2 *SEL1 *SEL0
#0
#1 f
#2 f
#3 f
#4 f
#5 f f
#6 f f
#7 ff
#8 f
#9 f f
#10 f f
#11 f f
#12 ff
#13 ff f
#14 ff f
#15 fff
f –––––
Common
screens
1) A terminating resistor connected to the display link is intended to
shape the waveform on the display link (RS485). When a display link
is short or used in a noise–free environment, it may be able to operate
normally even if no terminating resistor is connected to it. However,
a terminating resistor must always be factory–connected to the display
link, because otherwise qualitative evaluation is impossible. If a
terminating resistor is not connected to a display link, it may be
impossible to update the CRT screen and use the keyboard.
2) A terminating resistor must be connected to both ends of the display
link. The CRT/MDI unit has a built–in terminating resistor. If the
display and control unit are connected on a one–to–one basis, a
terminating resistor is connected using the cable (Section 5.2.3). If
there are n Power Mates in one display link, connect a display link
terminating unit to the display link adaptor to terminate the link.
A display link adapter is used to form a T–junction in the display link.
Each T–junction is connected to the corresponding Power Mate or i series
CNC and the next display link adapter.
The display link must be terminated with the display link adapter at the
most distant point from the CRT/MDI.
Terminating the Display
Link
Display Link Adapter