¥ 价格面议
¥ 价格面议
¥ 价格面议
¥ 价格面议
易卖工控网(www.ymgk.com)提供”WOODWARD 5501-432调速器模块具有控制作用”,产品详情:品牌/厂家:woodward、型号:5501-432、成色:全新、货期:现货 1天内发货、保修:180天,更多产品详情就上易卖工控网。
当通过闭合ldle/额定开关触点选择额定转速时,对于当前发动机工作转速,燃油极限设置为大燃油极限设置点值或扭矩极限,以较小者为准。此时选择的速度参考由启用远程开关的状态决定。未选择远程参考(远程参考开关触点打开),速度参考将根据接受时间设定点从低怠速上升到额定速度。当从怠速上升到额定值时,关闭“升高”或“降低”触点(或“远程”触点),会立即取消怠速到额定值的斜坡。升高/降低斜坡速率将接管,具体取决于选择的是升高还是降低。升高和降低命令基于升高和降低速率设定点斜坡发动机转速。上限和下限决定了这些命令的限制。如果选择了Enable Remote(启用远程)(并且选择了Rated Speed(额定速度)),控制器将使速度上升到由远程速度设置毫安输入设置的参考值(以上升或下降速率)。远程速度设置在4至20 mA范围内运行。4 mA和20 mA远程参考设定点的值必须设置在上升和下降极限设定点之间。4毫安远程参考设定点可以设置为低于或高于20mA设定点的速度,提供直接或反向作用的远程速度设置。如果在ldle/额定开关触点闭合时或在怠速至额定斜坡期间选择远程,则速度参考将斜坡至由远程速度设置输入上的毫安确定的速度参考值,基于上升速率/下降速率设置点。2至4 mA之间的远程速度设置输入被视为小4 mA。低于2 mA,远程输入被视是失败的在4和20 mA之间,控制器根据4 mA远程参考和20 mA远程参考设定点之间插值的直线确定所需的速度参考。如果检测到当前速度基准和根据mA输入计算的远程基准之间存在差异,则当前速度基准将以“升高或降低速率”确定的速率升高或降低,以使速度基准与远程速度基准一致远程参考不会将速度提高到超过“提升极限”或降低到“下限”以下,也不会分别以高于或低于“提升速率”/“降低速率”的速度变化。当选择远程参考且远程输入失败(小于2mA)时,速度参考保持在当前值。在这种情况下,只有将远程参考增加到2毫安以上,或者打开远程启用开关并切换运行/停止开关,或者将电源循环到控制装置(不建议循环电源),才能更改速度参考。当当前工作模式为额定时间,切换到怠速会导致发动机转速基于减速时间设定点上升到怠速。
如果控制处于远程速度参考,并且您希望恢复到额定速度,则远程开关必须处于打开位置,并且运行/停止开关必须切换(或循环向控制供电,这是不建议的)。
contacts (or the Remotecontacts) while ramping from idle to rated results in immediate cancellation of theidle-to-rated ramp. The Raise/Lower ramp rates will take over, depending onwhether Raise or Lower is selected.The Raise and Lower commands ramp engine speed based on the Raise andLower Rate set points. The Raise and Lower Limits determine the limits of thesecommands. If Enable Remote is selected (and Rated Speed is selected), thecontrol will ramp speed to the reference value set by the remote speed-settingmilliamp input (at the Raise or Lower Rate). The remote speed setting operatesfrom 4 to 20 mA. The values of the 4 mA and 20 mA Remote Reference setpoints must be set between the Raise and Lower Limit set points. The 4 mARemote Reference set point may be set to a lower or higher speed than the 20mA set point, providing for either direct or reverse-acting remote speed setting.If Remote is selected when the ldle/Rated switch contacts are closed, or duringthe idle-to-rated ramp, the speed reference will ramp to the speed referencevalue determined by the milliamps on the remote speed-setting input, based onthe Raise Rate/Lower Rate set points.Remote speed-setting inputs between 2 and 4 mA are treated as the minimum of4 mA. Below 2 mA, the remote input is considered failed. Between 4 and 20 mA,the control determines the required speed reference based on a straight lineinterpolated between the 4 mA Remote Reference and 20 mA RemoteReference set points. If a difference is detected between the current speedreference and the remote reference computed from the mA input, the currentspeed reference is raised or lowered at the rate determined by the Raise orLower Rate to bring the speed reference into agreement with the remote speedreference.' The remote reference will not increase speed over the Raise Limit orlower it below the Lower Limit, nor change speed faster or slower than the RaiseRate/Lower Rate respectively.When Remote Reference is selected and the remote input is failed (less than 2mA), the speed reference remains at the current value. The speed reference canbe changed in this situation only by increasing the remote reference above 2 mAor by opening the Remote Enable switch and toggling the Run/Stop switch orCycling the power to the control (cycling the power is not recommended).When the current operating mode is Rated, switching to Idle results in rampingengine speed to idle based on the Decel Time set point.If the control is in Remote Speed Reference and you wish to retum to RatedSpeed, the Remote switch must be in the open position and the Run/Stop switchtoggled (or cycle the power to the control, which is not recommended).