METSO IOP353 Channel output module

Output A1 is an opto-isolated open emitter output with an isolated ground return. When the output is active (A1=1) the output transistor is conducting, supplying current to the externally connected input. The state of output A1 can be monitored by viewing the front panel display, with A1=0 a decimal point will be displayed (see Figure 5-1). The state of A1 can be used to signal various drive conditions depending upon the value assigned to parameter P37, which can be given values 0 to 6, or can be used to signal particular errors. The drive conditions signalled by A1 for various values of P37 are listed with the description of parameter P37.

Input E1 

Input E1 can be used for enabling or disabling the drive’s power output stage, or for the resetting of the drive following any error conditions. When used to control the drive’s power output stage the input is enabled by parameter P35, but also requires the master software disable parameter P34 to be enabled. Provided P34=1 the input is enabled by setting P35=1 E1=0 power output stage is disabled E1=1 power output stage is enabled When used to reset any drive error condition, the input is simply toggled regardless of the state of parameters P34 and P35, but if enabled this action will also reset the power output stage.

Input E2

 Input E2 is used to control the motor’s built-in holding brake, if fitted. The E2 input is enabled via parameter P18. With P18=0 the brake is controlled externally via input E2. Provided P18=0: E2=0 brake is applied, holding the motor shaft stationary E2=1 brake is released, allowing the motor shaft to rotate Inputs E3 and E4 Inputs E3 and E4 can be used to control a range of drive conditions depending upon the value assigned to parameter P36, which can be given values 0 to 5.

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