R01AN5644EJ0100 Rev.1.00
Page 13 of 62
Jan 22, 2021
Reference Guide for a 2-Axis Robot Arm with 2-Phase Stepping
Motors Incorporating Resolvers
RX24T, RX72M,
RAA3064002GFP/RAA3064003GFP
(3) Component layout of 42-mm square board
Figure 1-6 shows a component layout diagram of the 42-mm square board. Table 1-3 lists the interface
connector specifications of the 42-mm square board.
Figure 1-6 Component Layout Diagram of 42-mm Square Board
Table 1-3 Interface Connector Specifications (42-mm Square Board)
Item
Function
Pin (in ascending order of pin
number from pin 1)
Connector Shape
Power source
Power input
GND, V+
2.54-mm pitch, 2-pin
Motor
Motor output
A-, A+, B+, B-
2.0-mm pitch, 4-pin
Communication Program
(E1 or E2 Lite)
GND, RX, TX, +5V, MD/FINED, RES#
1.27-mm pitch, 6-pin
RMW
GND, RX, TX, +5V
(pins are used in common with the
above program)
1.27-mm pitch, 4-pin
RS485
GND, B/Z, A/Y, NC
1.27-mm pitch, 4-pin
Sensor
Resolver
XBN, XBP, XAP, XAN, EXC
1.27-mm pitch, 5-pin
Origin sensor
GND, +5V, RLS, FLS, DOG
1.27-mm pitch, 5-pin
Dri
ver
Top
MCU
DC/DC
LDO
SW
Xta
l
Tran.
Bottom (view from solder side)
RDC
Rectifier diode
Shunt
Shunt
+Amp
Shunt
Buffer
Buffer
Program
/RM
W
Origin sensor
M
ot
or out
put
Resolver
RS
485
Power input