General Hardware Specifications
This section provides details on the communications of the DC motor expansion controller. This information can be used to
interface with any master controller with an i2C communications bus.
Power: 12 volts DC using TETRIX MAX NiMH fuse-protected battery pack; blue LED power indicator
DC motor ports: 2 Powerpole connections; H-bridge controlled; 10 A continuous each channel; 20 A peak
Recommended motor: TETRIX TorqueNADO™ (44260)
Motor indication: Motor power and direction LED indicators; red and green; one set for each channel
DC motor control modes:
Constant power (-100% to 100%)
PID constant speed (degrees per second)
PID constant speed to encoder count and hold position
PID constant speed to encoder degrees and hold position
Brake or coast stop mode
DC motor current monitoring (all modes)
Battery voltage monitoring: 0-18 volt range
Battery connection port:
Powerpole type; additional port for daisy-chaining battery power to additional motor
controllers
i2C data port:
2 ports total sharing the same bus; one port used for input, the second for output to
additional daisy-chained motor controllers
Motor encoder port:
2 quadrature ports; ENC1 and ENC2; 5 volts DC, 50 mA max; Spec: 360 CPR, 1,440 PPR;
Type: Hall effect
Battery connection port
Power is supplied to the controller
from the PRIZM battery outlet port
using the included Powerpole battery
conversion cable.
2 data ports
Connect to
the PRIZM
expansion
port using
the included
data cable.
2 DC motor ports
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