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Sensoray 2600 Programming Guide 59 Gateway Action Scheduling

Returns: Error code as described in section 5.5. Zero is returned if the operation was successful.

Benchmark: 0.8 ms.

Example: // Program all SSR driver states on the 2652 at MM number 0, IOM port 9.

u8 states = 0x5A; // The desired relay states.

void *x = S26_SchedOpen( 0, 1 );

S26_Sched2652_SetOutputs( x, 9, &states );

S26_SchedExecute( x, 1000, 0 );

7.9.8 S26_Sched2652_SetPwmRatio()

Function: Schedules the programming of the PWM ratio for one SSR channel on a model 2652 IOM.

Prototype: u32 S26_Sched2652_SetPwmRatio( XACT x, IOMPORT IomPort, u8 chan, u8 OnTime, u8 OffTime );

Returns: Error code as described in section 5.5. Zero is returned if the operation was successful.

Benchmark: 0.9 ms.

Example: // Set the PWM ratio for SSR channel 5 on the 2652 at MM number 0, IOM port 2.

// PWM ratio = on for 20 msec, off for 30 msec.

void *x = S26_SchedOpen( 0, 1 );

S26_Sched2652_SetPwmRatio( x, 2, 5, 10, 15 );

S26_SchedExecute( x, 1000, 0 );

7.10 Model 2653 Solid-State Relay IOM

The functions in this section are used to schedule IOM actions for Model 2653 16-channel Solid-State Relay IOMs. These

functions are applicable only to Model 2653 IOMs. Any attempt to call these functions for other IOM types will result in a

GWERR_IOMTYPE transaction error. Note that these functions only schedule IOM actions into a transaction; they do not cause the

actions to be immediately executed.

7.10.1 Type-Specific Errors

In addition to the common IOM status bit flags (STATUS_RST and STATUS_CERR), this IOM type supports the following

type-specific flags. If any of these flags are asserted, a transaction error of type GWERR_IOMSPECIFIC will be generated:

7.10.2 S26_Sched2653_GetInputs()

Function: Schedules the fetching of the physical states of all SSR channels on a model 2653 IOM.

Parameter Type Description

x void *

Transaction handle obtained from S26_SchedOpen().

IomPort u8

The IOM port number (on the MM) to which the target IOM is connected.

chan u8

The SSR channel number that is to be programmed. Legal values range from 0 to 7.

OnTime u8

PWM on time, expressed in 2 msec increments, to be programmed.

OffTime u8

PWM off time, expressed in 2 msec increments, to be programmed.

Symbolic Name Description

STATUS_2653_STRM

An error was detected in the serial data stream that is used to control the SSR

output drivers. This flag can be cleared by invoking a ClearStatus action.

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Sensoray 2600 Manual de usuario Pagina 63