KMC中继器KMD-5575规格描述
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中继器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 网络中继器-隔离器可扩展和修复 EIA-485 网络通信并支持“T”或分支网络。
KMD-5575 旨在修复 KMC KMDigital 或 BACnet 子网上的降级 EIA-485（以前称为 RS-485）通信信号。 导致数字子网内通信信号退化的两个主要因素是长子网布线长度和连接到子网的数字控制器的数量。
在 KMDigital 或 BACnet 子网络上（例如，在控制器 31 和 32 之间）每 31 个连续控制器之后，或者如果累计布线距离超过 4,000 英尺，则需要一个 KMD-5575。 （对于烟雾控制应用，EIA-485 网络电缆（包括所有中继器）的最大总长度为 4,000 英尺。）
此外，“T”或分支网络布线配置需要 KMD-5575。
KMD-5575 支持 9,600 至 38,400 的波特率。 （注意：要获得更快的速度，请使用带以太网网络的 BAC-5051E 路由器。）
KMC中继器其他常用型号：
KMC KMD-5575
KMC KMD-5567
KMC KMD-5624
KMC repeater NEW + ORIGINAL+ ONE YEAR WARRANTY
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KMC中继器KMD-5575规格描述
