Product manual

Troubleshooting Tools
Product Manual 35
3.4.2 X9 VBATT 1 and 2
Battery back-up for the computer memory and the real time clock.
Voltage of batteries 1 and 2; the voltage must be between 3.3 V and 3.9 V.
3.4.3 Drive system
The signal interface with the drive system. It complies with the EIA RS 422 standard,
which means that signal transmission is differential. See 3.2 (Figure 3).
The DRCO signals travel from the robot computer to the drive units.
The DRCI signals enter the robot computer from the drive units.
DRCI1/DRCO1 signals are connected to the internal drive system (backplane connec-
tor X22, see 3.1).
DRCI2/DRCO2 are connected to external placed drive units (backplane connector
X14, see 3.1).
X9
Pin Row A Row C
7 VBATT1 VBATT2
80V 0V
X9
Pin A C
16 DRCI1 DRCI1 N
17 DRCO1 DRCO1 N
18 DRCI2 DRCI2 N
19 DRCO2 DRCO2 N
20 0V