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Important notice, Operating modes registers, Read/change pid values – RoboteQ Dual Channel Digital Motor Controller AX2550 User Manual

Page 142

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Serial (RS-232) Controls and Operation

142

AX1500 Motor Controller User’s Manual

Version 1.9b. June 1, 2007

Important Notice:

Do not write in the locations marked as Read Only. Doing so my cause Controller
malfunction.

Operating Modes Registers

Address:

^80 - Channel 1
^81 - Channel 2

Access:

Read/Write

Effective:

Instantly

Modifying the bits in the Operating Mode registers will change the controller’s operating
modes on-the fly. Changes take effect at the controller’s next 16ms iteration loop. After
reset, these bits get initialized according to the configuration contained in Flash.

Values are in Hexadecimal.Example: 00000101 = Hex 05

Read/Change PID Values

Address:

^82 - P1
^83 - I1
^84 - D1
^85 - P2

^86

PID Differential gain 1

R/W

^87

PID Differential gain 2

R/W

^88

PWM frequency

R/W

^89

Controller Status

R Only

^8A

Controller Model

R Only

^8B

Current Amps limit 1

R Only

^8C

Current Amps limit 2

R Only

TABLE 24. Operating Modes Register Definition

Bit

Function

7 to 3

Not Used

2

0: Open Loop

1: Closed Loop

(when in Speed Mode)

1

0: Speed Mode

1: Position Mode

0

0: Analog Feedback

1: Encoder Feedback

TABLE 23. Runtime R/W Parameters list

Location

Function

R/W