KMC中繼器KMD-5575規(guī)格描述
Specifications | |
Supply Voltage | 24 volts AC (–15%, +20%), 50/60 Hz, 3 VA, Class 2 only |
NOTE: | All circuits, including supply voltage, are power limited. AC power is nonsupervised in smoke control applications. |
Baud Rate | 9,600 to 38,400 |
Connections | Removable screw terminal blocks, wire size 14–22 AWG |
Network Wiring | Belden 82760 or equivalent, shielded, twisted, 18 AWG, 5.5 ohms per 1,000 feet and ≤ 51 pF/foot (network connections are supervised in smoke control applications) |
Material | Black ABS |
Size | 5.31 x 3.38 inches (134.9 x 85.8 mm) |
Weight | 2.5 oz. (71 grams) |
Regulatory | UL 864 Smoke Control Equipment listed (UUKL)—see Smoke Control Manuals 000- 035-08 (BACnet) and/or 000- 035-09 (KMDigital) for smoke control application information |
Ambient Limits | |
Operating | 32 to 120° F (0 to 49° C) |
Shipping | –40 to 140° F (–40 to 60° C) |
Humidity | 0 to 95% RH, non-condensing |
KMC中繼器KMD-5575描述
The KMD-5575 Network Repeater-Isolator extends and reconditions EIA-485 network communications as well as enabling “T” or branch networks.
The KMD-5575 is designed to recondition a degraded EIA-485 (formerly RS-485) communication signal on a KMC KMDigital or BACnet subnetwork. Two primary factors that cause communication signal degradation within the digital subnetwork are long subnetwork wiring lengths and the number of digital controllers connected to the subnetwork.
A KMD-5575 is required after every 31 consecutive controllers on KMDigital or BACnet subnetworks (e.g., between controllers 31 and 32) or if the cumulative wiring distance exceeds 4,000 feet. (For smoke control applications, the maximum total length of the EIA-485 network cable, including all repeaters, is 4,000 feet.)
In addition, the KMD-5575 is required for “T” or branch network wiring configurations.
The KMD-5575 supports baud rates of 9,600 to 38,400. (NOTE: For faster speeds, use a BAC-5051E router with an Ethernet network.)
KMD-5575 網(wǎng)絡(luò)中繼器-隔離器可擴(kuò)展和修復(fù) EIA-485 網(wǎng)絡(luò)通信并支持“T”或分支網(wǎng)絡(luò)。
KMD-5575 旨在修復(fù) KMC KMDigital 或 BACnet 子網(wǎng)上的降級 EIA-485（以前稱為 RS-485）通信信號。 導(dǎo)致數(shù)字子網(wǎng)內(nèi)通信信號退化的兩個主要因素是長子網(wǎng)布線長度和連接到子網(wǎng)的數(shù)字控制器的數(shù)量。
在 KMDigital 或 BACnet 子網(wǎng)絡(luò)上（例如，在控制器 31 和 32 之間）每 31 個連續(xù)控制器之后，或者如果累計布線距離超過 4,000 英尺，則需要一個 KMD-5575。 （對于煙霧控制應(yīng)用，EIA-485 網(wǎng)絡(luò)電纜（包括所有中繼器）的最大總長度為 4,000 英尺。）
此外，“T”或分支網(wǎng)絡(luò)布線配置需要 KMD-5575。
KMD-5575 支持 9,600 至 38,400 的波特率。 （注意：要獲得更快的速度，請使用帶以太網(wǎng)網(wǎng)絡(luò)的 BAC-5051E 路由器。）
KMC中繼器其他常用型號：
KMC KMD-5575
KMC KMD-5567
KMC KMD-5624
KMC repeater NEW + ORIGINAL+ ONE YEAR WARRANTY
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KMC中繼器KMD-5575規(guī)格描述
