Moxa ioPAC 8500-9-RJ45-C-T [26/66] Digital input alarm

Developer's Guide for Moxa RTU Controllers Programmer's Guide

2-18

Digital Input Alarm

MX_DI_Alarm_Register

int MX_DI_Alarm_Register(int slot, int channel, int len, int trigger);

Registers a DI channel for monitoring. If the condition is matched, the event will be recorded with status and

time. In addition, each channel can only be registered once.

Input Parameters

slot

channel

len

Buffer Size: 5 to 20 records

trigger

Return Value

Result of the call or a handle.

MX_DI_Alarm_Unregister

int MX_DI_Alarm_Unregister(int handle);

Unregisters a DI channel for monitoring and clears the buffer.

Input Parameters

handle

Return Value

Result of the call

MX_DI_Alarm_Get

int MX_DI_Alarm_Get(int handle, struct IO_Alarm_Data *data);

Reads alarm data of the DI channel. This alarm data will be written to the data parameter.

Input Parameters

handle

Output Parameters

data

Return Value

Result of the call

MX_DI_Alarm_Set_Trigger

int MX_DI_Alarm_Set_Trigger(int handle, int trigger);

Set the condition for the DI channel.

Input Parameters

handle

trigger

Return Value

Result of the call