KCD2-SCD-EX1模(Mo)拟(Ni)量(Liang)输(Shu)出(Chu)安(An)全(Quan)栅(Zha)特(Te)点(Dian)
• 单(Dan)通(Tong)道(Dao)安(An)全(Quan)栅(Zha)
• 24V 直(Zhi)流(Liu)电(Dian)源(Yuan)（(?)导(Dao)轨(Gui)供(Gong)电(Dian)）(?)
• 电(Dian)流(Liu)输(Shu)出(Chu)高(Gao)达(Da)650 Ω
• HART I/P 和(He)阀(Fa)门(Men)定(Ding)位(Wei)器(Qi)
• 引(Yin)线(Xian)断(Duan)路(Lu)监(Jian)测(Ce)
• 精(Jing)确(Que)度(Du)0.1 %
• 外(Wai)壳(Ke)宽(Kuan)度(Du)12.5 mm
• 可(Ke)达(Da)SIL2，(?)符(Fu)合(He)IEC 61508 标(Biao)准(Zhun)

KCD2-SCD-EX1模(Mo)拟(Ni)量(Liang)输(Shu)出(Chu)安(An)全(Quan)栅(Zha)功(Gong)能(Neng)
此(Ci)安(An)全(Quan)栅(Zha)产(Chan)品(Pin)适(Shi)用(Yong)于(Yu)本(Ben)质(Zhi)安(An)全(Quan)型(Xing)应(Ying)用(Yong)。(?)本(Ben)产(Chan)品(Pin)用(Yong)于(Yu)驱(Qu)动(Dong)危(Wei)险(Xian)区(Qu)域(Yu)内(Nei)的(De)智(Zhi)能(Neng)型(Xing)I/P 转(Zhuan)换(Huan)器(Qi)、(?)电(Dian)动(Dong)阀(Fa)以(Yi)及(Ji)定(Ding)位(Wei)器(Qi)。(?)可(Ke)在(Zai)现(Xian)场(Chang)或(Huo)控(Kong)制(Zhi)侧(Ce)的(De)模(Mo)拟(Ni)值(Zhi)上(Shang)叠(Die)加(Jia)数(Shu)字(Zi)信(Xin)号(Hao)并(Bing)实(Shi)现(Xian)了(Liao)双(Shuang)向(Xiang)传(Chuan)输(Shu)。(?)跨(Kua)直(Zhi)流(Liu)/ 直(Zhi)流(Liu)转(Zhuan)换(Huan)器(Qi)传(Chuan)输(Shu)的(De)电(Dian)流(Liu)值(Zhi)在(Zai)端(Duan)子(Zi)1 和(He)2上(Shang)重(Zhong)现(Xian)。(?)现(Xian)场(Chang)电(Dian)路(Lu)开(Kai)路(Lu)时(Shi)会(Hui)对(Dui)控(Kong)制(Zhi)侧(Ce)呈(Cheng)现(Xian)为(Wei)高(Gao)阻(Zu)抗(Kang)，(?)因(Yin)此(Ci)控(Kong)制(Zhi)系(Xi)统(Tong)可(Ke)实(Shi)现(Xian)引(Yin)线(Xian)断(Duan)开(Kai)监(Jian)测(Ce)。(?)如(Ru)果(Guo)数(Shu)字(Zi)通(Tong)信(Xin)电(Dian)路(Lu)的(De)回(Hui)路(Lu)电(Dian)阻(Zu)过(Guo)低(Di)，(?)则(Ze)可(Ke)用(Yong)上(Shang)端(Duan)子(Zi)6 和(He)8 之(Zhi)间(Jian)的(De)250Ω 内(Nei)部(Bu)电(Dian)阻(Zu)，(?)此(Ci)电(Dian)阻(Zu)可(Ke)用(Yong)作(Zuo)
HART 通(Tong)信(Xin)电(Dian)阻(Zu)。(?)
用(Yong)于(Yu)连(Lian)接(Jie)HART 通(Tong)信(Xin)器(Qi)的(De)插(Cha)座(Zuo)也(Ye)集(Ji)成(Cheng)在(Zai)本(Ben)器(Qi)件(Jian)端(Duan)子(Zi)内(Nei)。(?)

技(Ji)术(Shu)参(Can)数(Shu)

电(Dian)源(Yuan)
额(E)定(Ding)电(Dian)压(Ya)19 ... 30 V DC
功(Gong)率(Lu)消(Xiao)耗(Hao)≤ 700 mW
输(Shu)入(Ru)
输(Shu)入(Ru)信(Xin)号(Hao)4 ... 20 mA，(?)上(Shang)限(Xian)为(Wei)约(Yue)30 mA
输(Shu)入(Ru)电(Dian)阻(Zu)>100kΩ，(?)23V 范(Fan)围(Wei)内(Nei)，(?)包(Bao)括(Kuo)现(Xian)场(Chang)接(Jie)线(Xian)
输(Shu)出(Chu)
电(Dian)流(Liu)4 ... 20 mA
负(Fu)载(Zai)0 ... 650 Ω
电(Dian)压(Ya)≥ 13 V at 20 mA
波(Bo)纹(Wen)电(Dian)压(Ya)20 mVrms
传(Chuan)输(Shu)特(Te)性(Xing)
偏(Pian)差(Cha)at 20 ° C (68 ° F), 0/4 ... 20 mA
≤ ± 0.1 %，(?)包(Bao)括(Kuo)线(Xian)性(Xing)化(Hua)和(He)滞(Zhi)后(Hou)
环(Huan)境(Jing)温(Wen)度(Du)影(Ying)响(Xiang)< 2 μA/K (0 ... 60 ° C (32 ... 140 ° F))；(?)
< 4 μA/K (-20 ... 0 ° C (-4 ... 32 ° F))