帶有一組默認(rèn)的ControlNet參數(shù)，只能發(fā)送
計(jì)劃外數(shù)據(jù)。1756-CNB中的默認(rèn)網(wǎng)絡(luò)參數(shù)集，
以及所有ControlNet設(shè)備，是：
•網(wǎng)絡(luò)更新時(shí)間（NUT）為100ms
•計(jì)劃的大節(jié)點(diǎn)地址（SMAX）為0
SMAX是可以使用
定期服務(wù)。
•計(jì)劃外大節(jié)點(diǎn)地址（UMAX）為99
UMAX是節(jié)點(diǎn)的高網(wǎng)絡(luò)地址，可以
在ControlNet網(wǎng)絡(luò)上進(jìn)行通信。UMAX必須設(shè)置為相等
達(dá)到或高于SMAX。
•假定大電纜長(zhǎng)度和大中繼器數(shù)量
使用此默認(rèn)的ControlNet網(wǎng)絡(luò)，您可以在
通過使用RSNetWorx等軟件包在網(wǎng)絡(luò)上安裝各種設(shè)備
ControlNet、RSLogix5000和ControlLogix網(wǎng)關(guān)工具
（1756-GTWY）。
如果在此默認(rèn)狀態(tài)下使用，可能無(wú)法實(shí)現(xiàn)佳性能。
但是，可以調(diào)試（調(diào)整）默認(rèn)網(wǎng)絡(luò)以獲得佳性能
性能，如本手冊(cè)下文所述。
重要提示：ControlNet網(wǎng)絡(luò)應(yīng)使用
RSNetWorx用于ControlNet以提高性能。
至少，我們建議將計(jì)劃外的大值
節(jié)點(diǎn)地址（UMAX）必須設(shè)置為高節(jié)點(diǎn)
網(wǎng)絡(luò)上的地址。將此參數(shù)保留為默認(rèn)值
99的值將浪費(fèi)帶寬并減少系統(tǒng)開銷
表演
我們還建議設(shè)置計(jì)劃的大節(jié)點(diǎn)數(shù)
將地址（SMAX）設(shè)置為高于高計(jì)劃值3或4的值
允許將來(lái)擴(kuò)展的節(jié)點(diǎn)地址
When a ControlNet network is powered on for the first time, it comes up with a default set of ControlNet parameters capable of sending only unscheduled data. The default set of network parameters in the 1756-CNB, as well as all ControlNet devices, is: • Network Update Time (NUT) of 100ms • Scheduled Maximum Node Address (SMAX) of 0 The SMAX is the highest network address of a node that can use the scheduled service. • Unscheduled Maximum Node Address (UMAX) of 99 The UMAX is the highest network address of a node that can communicate on the ControlNet network. The UMAX must be set equal to or higher than the SMAX. • Assumed maximum cable lengths and maximum number of repeaters With this default ControlNet network, you can communicate between the various devices on the network by using such packages as RSNetWorx for ControlNet, RSLogix5000, and the ControlLogix Gateway Tool (1756-GTWY). If used in this default state, optimum performance may not be achieved. However, the default network can be commissioned (tuned) for optimum performance, as described later in this manual. Important:The ControlNet network should be configured using RSNetWorx for ControlNet to improve performance. At a minimum, we recommend that the Unscheduled Maximum Node Address (UMAX) be set equal to the highest node address on the network. Leaving this parameter at the default value of 99 will waste bandwidth and reduce system performance. We also recommend setting the Scheduled Maximum Node Address (SMAX) to a value 3 or 4 above the highest scheduled node address to allow for future expandability
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