IAI America PCON-ABU - Manual (Page 38)

20
Simple absolute unit
Input power supply
24 VDC
(300 mA max. per unit)
4.4 Wiring the Power Supply
x Wiring the Power Supply
Use a power cable satisfying the following specifications.
Item Specification
Applicable wire Single wire: ‡1.0 / Stranded: 0.8 mm 2 / Size: AWG 18 (copper wire)
Terminal M3 round terminal of 6 mm or narrower
Temperature rating of
isolation cover
60
qC or above
Note) Take note of the following points when providing a separate power supply for the simple absolute unit
and ACON
‚ PCON ‚ PSEL controller, respectively:
(1) Connect the simple absolute unit to the same power ground used by the controller to which the unit
is connected.
(2) Power up the simple absolute unit before the controller. (The two may be powered up
simultaneously.)
If the controller power is turned on first, the controller will not be able to recognize the simple
absolute unit and an encoder receive error (ACON, PCON: 0E5, PSEL: 619) may generate.
(3) When shutting down the power, shut down both the simple absolute unit and the controller at the
same time, or the controller first. If the simple absolute unit is shut down first, a “disconnecting error”
will be recorded on the controller alarm list.