Delta RMC101 User Manual download pdf (Page 548)

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101

RMC100 and RMCWin User Manual

6-4

5. Click Update RMC.

6. The Update Module Configuration dialog box will be displayed to indicate the progress. If the

RMC could not be reset automatically, you may be prompted to reset the RMC manually.

7. In the RMC Configuration dialog box, click Close.

Each channel-assignment option button gives the assignment of both channels. Some options

assign the channel to a joint purpose, as in the case of differential force, some assign the

channels to different purposes, and some assign the channels to the same purpose. Following

are descriptions for each individual channel assignment:

• Position Control

This mode uses a single analog channel and an analog drive output. Standard closed-loop

position control may be performed on this axis.

• Position Reference

This mode uses a single analog channel. This channel does not have an output and therefore

cannot be used as in closed-loop control, but instead may provide a reference for another

controlling axis. A common use for this type of axis is to serve as the master to another axis from

a signal generated from a PLC or joystick.

• Velocity Control

This mode uses a single analog channel and an analog drive output. The input channel value is

assumed to indicate velocity, as given by a device such as a tachometer or velocity-control

joystick. The drive output will work in conjunction with the input channel to control the speed of

the axis.

• Velocity Reference

This mode uses a single analog channel. The input channel value is assumed to indicate velocity,

as given by a device such as a tachometer or velocity-control joystick. This channel does not

have an output and therefore cannot be used as in closed-loop control, but instead may provide a

reference for another controlling axis. A common use for this type of axis is to serve as the

master to another axis from a speed signal generated from a PLC or velocity-control joystick.

• Pressure Control

This mode uses a single analog channel and an analog drive output. The input channel is

connected to a pressure transducer, the drive output is connected to the pressure-controlling

valve or motor, and they work together to hold a pressure or ramp the pressure in closed-loop

control.

• Pressure Reference

This mode uses a single analog channel. The input channel is connected to a pressure

transducer, but because it has no drive output, it cannot close the loop. Therefore, this input can

only be used as a reference for another pressure control input. That is, a pressure control

input/output pair can use a pressure reference input as its target pressure.

• Auxiliary Pressure

This mode uses a single analog channel. This mode acts the same as Pressure Control mode

described above, except that there is no drive output, so another axis’ drive output must be used.

The most common reason for doing so is to have a system with a position-to-pressure transition.

In this case, a position control axis is assigned to the auxiliary pressure channel. The position

transducer is connected to the position control axis’ input, the pressure transducer is connected

to the pressure channel, and each of the position and pressure inputs use the drive output when it

is in control.

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