Onicon System-10 LonWorks Manual do Utilizador descarregar pdf (Página 13)

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System-10-LON Network Interface Installation Guide 05/14 - 0654-5 / 16751 Page 13

NODE OBJECT REQUESTS

Node Object

Requests

Function

Blocks

Affected

Comments

RQ_NORMAL 0-27 This request clears the status registers. Function block 0 clears

all function block status registers. Selecting function blocks 1- 27

only clears the selected status register.

RQ_UPDATE_MASK 0-27 This request updates the selected status register.

RQ_REPORT_MASK 0-27 This request displays the available Object Status functions.

RQ_RESET 0, 3, 6, 17,

21, 27

This request zeroes the various ow, energy and auxiliary pulse

totals. If the Object ID 0 request RQ_RESET is selected then all

totals are cleared. If the Object ID of 3, 6, 17, 21 or 27 RQ_RESET

is selected then only the appropriate total is cleared.

RQ_CLEAR_RESET 0, 3, 6, 17,

21, 27

This request clears reset status ags. Object ID of 0 clears all

“reset_complete” ags. Object IDs 3, 6, 17, 21, 27: Clears the

selected “reset_complete” ags.

SELECT FUNCTION BLOCKS, BTU METER TOTALS & BTU METER OPERATING MODES

Functional

Block

Btu Meter Total

Btu Meter Operating Mode

Single Dual Bidirectional

3 Flow (volume) - 1 Heat or Cool Heating Forward Flow

6 Flow (volume) - 2 Inactive Cooling Reverse Flow

17 Energy-1 Heat or Cool Heating Forward Flow

21 Energy-2 Inactive Cooling Reverse Flow

27 Auxiliary Pulse (Di3) Active Active Active

1.7.4.2 nvoStatus

Six status object functions are mechanized to report status information to

the network. These are listed in the table below. The table also lists

function blocks associated with each status ag.

nvoStatus Object Functions Functional Blocks

object_id All

invalid_id All

invalid_request All

comm_failure 0

report_mask All

reset_complete 0, 3, 6, 17, 21, 27

1.7.5 Resetting Totals via the Network

Totals are held in non-volatile memory within the Btu meter. Each total (ow, energy or

auxiliary input) has a corresponding output variable that transmits the information from

the meter to the network. There are two ways to remotely reset totals in the display. This

can be done using individual input variables to command the display to reset specic

totals or it can be done using the nviRequest variable. Using nviRequest allows you to

reset each total individually or all totals simultaneously with one command. See sections

1.7.3 and 1.7.4.1 for specic instructions on how to reset totals.

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