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Serial (RS-232) Controls and Operation
144 AX1500 Motor Controller User’s Manual Version 1.9b. June 1, 2007
Controller Identification Register
Address: ^8A
Access: Read Only
Effective: Instantly
This register may be used to query the Controller’s model and some of its optional hard-
ware configurations.
Current Amps Limit Registers
Address: ^8B - Channel 1
^8C - Channel 2
Access: Read Only
Effective: Instantly
These registers can be polled to view what the Amps limit is at the current time. This limit
normally is the one that is preset by the user except when the controller is operating at
high temperature, in which case the allowable current drops as temperature rises. See
“Temperature-Based Current Limitation” on page 42.
To convert the register value in Amps, divide the reading by 4.
5 Confirmed Short Circuit Permanent
6 Confirmed Encoder Error Permanent
7 Emergency Stop Pressed Permanent
TABLE 26. Controller Identification Register Definition
Bit Model or Function
0AX500
1AX1500
2AX2500
3AX3500
4Unused
5 Encoder Present
6 Short Circuit Detection Present
7Unused
TABLE 25. Controller Status Register Definition
Bit Fault Condition Effect