描述

SS823 投票器和過(guò)壓保護(hù)

投票單元SS823和SS832被專門(mén)設(shè)計(jì)為冗余電源配置中的控制單元。兩個(gè)電源單元的輸出連接連接到投票單元。

投票單元對(duì)冗余的供電單元進(jìn)行分離，對(duì)供電電壓進(jìn)行監(jiān)督，并產(chǎn)生監(jiān)督信號(hào)并提供給用戶。綠色LED，安裝在投票單元的前面板上，提供一個(gè)視覺(jué)指示，正確的輸出電壓正在傳遞。在綠色LED發(fā)光的同時(shí)，一個(gè)無(wú)電壓觸點(diǎn)閉合相應(yīng)“OK連接器”的路徑。投票單位行程級(jí)別是工廠預(yù)設(shè)的。

AC 800M高完整性和連接的S880高完整性I/O系統(tǒng)(包括現(xiàn)場(chǎng)電源)應(yīng)由SELV或PELV電源(例如SD83x)提供，通過(guò)電源投票器SS823連接。SS823投票單元在輸入端有雙過(guò)壓保護(hù)電路。

特點(diǎn)和優(yōu)點(diǎn)
簡(jiǎn)單的din導(dǎo)軌安裝
I類設(shè)備(連接保護(hù)地(PE)時(shí))
第III類過(guò)電壓，用于連接主電源
TN網(wǎng)絡(luò)
次級(jí)電路與初級(jí)電路的保護(hù)性隔離
接受SELV和PELV申請(qǐng)
這些裝置的輸出有過(guò)電流保護(hù)
(限流)和過(guò)電壓(OVP)
根據(jù)IEC 61508通過(guò)SIL3認(rèn)證
SS823單元也符合G3標(biāo)準(zhǔn)

SS823 投票器和過(guò)壓保護(hù)

The Voting Units SS823 and SS832 have been specifically designed to work as control units within a redundant power supply configuration. The output connections from two Power Supply Units are connected to the Voting Unit.

The Voting Unit separates the redundant Power Supply Units, supervises the voltage supplied, and generates supervision signals to be connected to the power consumer. Green LED’s, mounted on the front panel of the voting unit, provide a visual indication that the correct output voltage is being delivered. Simultaneously with the green LED illuminating, a voltage-free contact closes the path to the corresponding “OK connector”. Voting Unit trip levels are factory preset.

The AC 800M High Integrity and the connected S880 High Integrity I/O system (including field power) shall be supplied from a SELV or PELV power supply (e.g. SD83x) connected through the power voter SS823. The SS823 Voting Unit has a double overvoltage protection circuit on input.

Features and benefits
Simple DIN-rail mounting
Class I Equipment, (when connected to Protective Earth, (PE))
Over-voltage Category III for connection to primary main
TN network
Protective separation of the secondary circuit from the primary circuit
Accepted for SELV and PELV applications
The output of the units is protected against over current
(current limit) and over-voltage (OVP)
Certified for SIL3 according to IEC 61508
The SS823 unit?is also G3 compliant

 

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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed



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