41-621.1 HART
®
to Modbus
®
Adaptor Operating Manual
79
17.5.15
For the Request Blocks tab,
17.5.16
Select ‘6 –
Write Single Register’ from the Modbus function drop
-down.
17.5.17
Set the Slave Address to match the address of the HMA (if in HMA mode), or an attached
device (if in Device mode).
17.5.18
Set the Starting Register to a value 1 greater than the desired starting Modbus register.
Refer to Appendices F through S for register numbers of the HMA and attached HART
devices.
17.5.19
Set the # Registers to 1. Note that in this case, 1 float value is to be written so that a value
of 1 is entered even though the total number of 16-bit Modbus registers that will be read
is 2.
17.5.20
Set the Register Type to Float.
17.5.21
Set the Trigger Type to Register and the Register number to the register number from step
17.5.8. This will cause the write to be sent when the assigned register is changed from
the Holding Registers menu.
17.5.22
Set the Source to the register number from step 17.5.8.
17.5.23
Select a name for the Request Block if prompted.
Summary of Contents for Jupiter JM4
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