Edwards nEXT240, Инструкция по эксплуатации

Страница: 57 / 81

B800-00-880 Issue A
Page 50 © Edwards Limited 2009. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Operation
Note: The address can be any decimal number from 1 to 98. The address number 0 is used to disable multi-drop
mode. The address number 99 is reserved as a wild card and is used in the query set up detailed later.
The reply you receive will be as follows:
The multi-drop address is stored within the nEXT pump.
You can also send a query to the pump to find out whether it already has a multi-drop address. Send the following
command:
If you receive the reply shown below, your pump has multi-drop mode disabled:
If your pump already has a multi-drop address you will receive no reply and you must then communicate with your
pump in multi-drop message protocol. Refer to
Section 3.7.7 for more information about multi-drop mode and multi-
drop message protocol.
Use the following query (using wild card address 99 which means ‘any’ node) to find out the multi-drop address of
the nEXT pump:
The reply you receive will be as follows, where dd denotes the multi-drop address of the pump:
You can disable multi-drop mode by assigning the pump an address 0. To do this, send the following command (where
dd denotes the multi-drop address of the pump and XX denotes the address of the node that is sending the command):
The reply you receive will be as follows:
Once multi-drop mode is disabled, the pump will no longer respond to multi-drop commands.
4.2 Configuring the nEXT pump using a TIC
The nEXT pump can be configured using the Edwards TIC Turbo and Instrument Controller or TIC Turbo Controller.
It is possible to set the following parameters of the nEXT pump using the TIC:

Power limit setting

Controlled venting options, including running a fan from the Controller

Standby speed setting

Normal speed setting

Timer settings - both enabling/disabling the timer AND setting the timeout period

Electronic braking options

Factory default settings
Reply * S 8 5 0 sp r cr
Query ? S 8 5 0 cr
Reply = S 8 5 0 sp 0 cr
Command # 9 9 : 9 9 ? S 8 5 0 cr
Reply # 9 9 : 9 9 = S 8 5 0 sp d d cr
Command # d d : x x ! S 8 5 0 sp 0 cr
Reply # x x : d d * S 8 5 0 sp 0 cr