Greenheck Microprocessor Controller (474706 IOM) TAP v1.04 J Manual de usuario descargar pdf (Pagina 29)

DDC Controller for Tempered Air Products

Parameter Factory Minimum Maximum

Device Instance 77000 0 4194303

Station Address 0 0 127

Max Master 127 0 127

Max Info Frames 20 0 255

Baudrate 38400 9600-19200-38400-76800

4. Once desired parameters have been entered, go

to BACnet Read/Write screen. Change Function to

Write and Update? to YES.

5. Reboot the controller by cycling power to the unit.

Allow several minutes for the controller to initialize.

6. View MSTP parameters. If changed values did not

save, contact the factory.

The communication card

is located in the Serial

Card port on the face of

the controller. The card

includes two sets of LED

lights for communication

troubleshooting.

Status LED: Indicates the status of communication

between the card and controller.

•Quickgreen-off-greenifcommunicationwith

controller is ok.

•Slowred-off-redifcommunicationisnot

established.

RS485 LED: Indicates the status of communication

with the BACnet MSTP network. Wait for 40 seconds

to determine status of communication.

•Greenwithoccasionalred,communicationisOK.

•Greenandredbothon,communicationsisnot

established.

Communication Troubleshooting

See Carel Data sheet for more info.

If attempting to communicate with the controller over

BACnet MSTP, refer to the card LEDs for system

information.

Status LED slow red blink

•Confirmcardisfirmlypluggedin.

•ConfirmBMSProtocolissettoBACnetMSTP.

RS485 LED green and red both on

•Confirmsystemandcardbaudratearethesame.

•ConfirmcardMaxMasterisequaltoorgreater

than the Station (MAC) Address of the Master with

the highest address.

Recalling Factory Parameters

Follow this procedure to revert to factory parameters

for one power cycle. When restarted, the card will

resume using the previous user parameters.

1. With controller off, hold the push button located

on the BACnet MSTP card, while powering the

controller back on.

2. Continue to hold the button, while watching the

Status LEDs. Wait for the Status LEDs to blink red

slowly, and release before the third slow flash.

3. Wait for about one minute for the factory

parameters to be loaded.

To view the current

parameters, go the BMS

Config menu within the

controller by pressing

the

Prg

Esc

key.

To access the BMS

Config sub-menu, enter

the service-password

(Default=1000).

Protocol must be

BACnet MSTP and

BACnet Plugin must be

YES.

Press the

Prg Esc

button

arrow to view next

screen.

Current BACnet MSTP

parameters should be

displayed. If values

appear to be zero, follow

the procedure below.

To read current settings:

1. Power on controller

and allow several

minutes to initialize.

2. Go to BMS Config menu and view BACnet Read/

Write screen.

3. Change Function to Read and Update? to YES.

Current BACnet MSTP parameters should now be

displayed in the BACnet MSTP SETUP screen. If

all values appear to be zeros, consult the factory.

(Make sure you have allowed several minutes for the

controller to initialize). *Values may appear to be zero

prior to setting the Function to READ.

To change BACnet MSTP parameters:

1. Power on the controller and allow several minutes

to initialize.

2. Go to BMS Config menu and view MSTP SETUP

screen.

3. Move cursor to desired parameter by pressing the

Prg Esc

buttons. Press

Prg Esc

to select the parameter

to change. Press the

Prg Esc

buttons to adjust the

parameter. Press

Prg Esc

to save adjusted value.

The card is loaded with the following default BACnet

MSTP parameters.

BACnet MSTP Quick Start

BMS Conﬁguration

Protocol: BACnet MSTP

BACnet Plugin? YES

MSTP SETUP

Instance: 77000

Baudrate 38400

MAC Addr: 0

MaxMasters: 127

MaxInfoFrames: 20

BACnet Read/Write

Function: Read

Update? Yes

*Cycle unit power to confirm

write command.

G. Service

c. BMS Config

Push Button

Status LED RS485 LED

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Greenheck Microprocessor Controller (474706 IOM) TAP v1.04 J Manual de usuario Pagina 29

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