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RLVBMIM01 Mini Input Module

23 | 31/07/2009

Setup Parameters

Baud Rate

Baud Rate sets the bit rate of the CAN messages (not the frequency at which the messages are sent). The range of values that can be entered is 0 to 65535

however only the values indicated in the Setup Parameters Table should be used. A value other than these will cause the MIM01 to change the Baud Rate

value to 500kbit/s on the next power cycle.

Timer

The timer value is in milliseconds (ms). A smaller value means data will be sent more frequently, a larger value means data will be sent less frequently. The

range of values that can be entered is 0 to 65535 however the minimum value that should be entered is 10. Below this value data values may be repeated on

successive cycles. If a value of 0 is entered the MIM01 will change it to 1 on the next power cycle.

Frequency output can be calculated as follows:

Freq = (1/Timer) * 1000

The Timer value for a required frequency can be calculated as follows:

Timer = (1/Freq) * 1000

Some example Timer values are shown against the frequency output.

Timer Value [ms]

Frequency [Hz]

100

400

2.5

1000

Extended Identifiers

Extended Identifiers can be set either ON or OFF. If they are off the CAN identifier type will be standard (11 bit). If they are on the CAN identifier type will be

extended (29 bit). The Standard Identifier type allows 2048 different CAN message identifiers or message “names”. The Extended Identifier type allows

436207616 different CAN message identifiers. The identifier type should be set to match the CAN data logging equipment that the MIM01 is connected to.

Setting the False option will turn Extended Identifiers off. Clicking the True option will turn Extended Identifiers on.

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