Reports the last polled value from a Modbus input register on the slave device.
CommError is hidden by default.
Outputs |
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Slots |
Type |
Description |
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Out |
Integer |
The last polled value from the slave device, or the default value if communications with the slave device was lost. |
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CommError |
Digital |
Set to True by the block when communication with the slave device is lost. |
Properties |
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Slots |
Description |
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DefaultValue |
The default value of the Out slot when the program starts, and the value that the block will revert to when communication is lost with the slave device. |
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Format |
Specifies the bit format of the register on the slave device. Can be set to one of the following values: ▪SignedInt16: 16‑bit signed integer ▪UnsignedInt16: 16‑bit unsigned integer ▪SignedInt32: signed 32‑bit integer |
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MaxReceiveTime |
The maximum time, in seconds, that can elapse with no communication to the slave device before the block assumes that communication has been lost. |
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RegAddr |
The address of the discrete input. |