Schneider GB EM231-RTD4 (Thermal resistance) expansion module

1. The range status bit is bit 3 in the module error register byte (SMB9 for module 1,SMB11 for module 2, etc.)

2. The user power failure is bit 2 in the error register byte (SMB9,SMB11, etc.).

3. The module group status is incorrect due to a diagnosis error. The user power failure status bit may or may not be set before the module configuration error. Tip: If there is an unused channel, you can attach a resistor to this channel instead of the RTD to prevent the SF LED from flashing due to broken lines. For example, the PT100 RTD requires a 100Ω resistor. Expansion module address allocation Connect the expansion module, click "PLC" in the S7 software menu bar, click "Information", the information table will pop up, one line represents a device. It's got a starting address on it, so that's it.

Isolated site to logical site to 24VDC 24VDC

To logic 500VAC 500VAC 500VAC

Common-mode input range (input channel to input channel) 0

Common-mode rejection >120VdB@120VAC Input type module reference ground RTD (2, 3 or 4-wire connection)

Input Range RTD type (select one per module)

Platinum (Pt) or resistor input resolution Temperature resistance 0.1 ° C /0.1 ° F 15

Bit-resistive symbol bit module update time: all channels 405ms wire length to sensor maximum 100

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