Inovance MD500T75G - Page 226

8. Interfaces and Communication MD500 User Manual
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8.4.2 Non-Parameter Data
MD500 non-parameter data Status data (read-only) Group U (monitoring parameters), AC drive fault
information and AC drive running state
Control parameters (write-only) Control commands, communication setting values, DO
control, AO1 control, AO2 control, high-speed pulse
(FMP) output control and parameter initialization
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Status Data
The status data includes group U (monitoring parameters), AC drive fault description and AC drive running state.
1. Group U (monitoring parameters)
The high 16 bits of the communication address of U0 to UF is 70 to 7F and the low 16 bits indicate the function code number in
the group. For example, the communication address of U0-11is 700BH.
2. AC drive fault description
When the AC drive's fault description is read by means of communication, the communication address is 8000H. You can
obtain the current fault code of the AC drive by reading the address.
3. AC drive running state
When the AC drive's running state is read by means of communication, the communication address is 3000H. You can obtain
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Communication Address of AC Drive's Running State
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3000H 1: Forward run
2: Reverse run
3: Stop
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Control Parameters
The control parameters include control command, communication setting values, DO control, AO1 control, AO2 control, high-
speed pulse (FMP) output control and parameter initialization.
1. Control commands
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2000H 1: Forward run
2: Reverse run
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5: Coast to stop
6: Decelerate to stop
7: Fault reset
2. Communication reference
The communication setting values include the data set by means of communication such as the frequency source, torque
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