VAC定位器V200EX系列參數(shù)介紹
EX | |
Input Signal: | 4-20mA (Ri 260 Ohm) |
Supply Pressure: | 20-145 PSI (0.14-1MPa) |
Linearity error: | <0.8% f.s |
Hysteresis: | <0.5% f.s |
Repeatability: | <0.4% f.s |
Temperature range: | -40° to +158 F* |
VAC定位器V200EX系列介紹
The V200EX is referred to as an “Explosion Proof” unit, due to the addition of the special rated and approved Ip module for hazardous locations. For rated areas of a plant where FM-CSA-Atex, Class1 Div. II or EEx (and other) approvals are required, this EX positioner product will meet those application specifications. This EX, 4-20 mA module can be specified at the time of order or converted in the field. They operate just like any other electropneumatic positioner, but the housing is designed to meet these stringent classifications. This EX module mounts directly to the V200P base positioner with a short adapter plate that supplies air pressure in the back side of the plate, which internally converts this pressure via a 4/20 mA signal, to a 3-15 psi signal back into the positioner signal diaphragm chamber. Not to be confused with Nema classifications (7 or 9) these FM-CSA, -ATEX, etc. area classifications/approvals are accompanied with the appropriate certificate documentation. For position feedback VAC offers a special third-party mounting adapter that allows for EX feedback mounting directly to the unit, eliminating clumsy linkage arms and complicated mounting.
V200EX 被稱為“防爆”裝置，因?yàn)樗砑恿擞糜谖ｋU(xiǎn)場所的特殊額定和批準(zhǔn)的 Ip 模塊。對(duì)于工廠的額定區(qū)域，F(xiàn)M-CSA-Atex，Class1 Div.需要 II 或 EEx（和其他）認(rèn)證，此 EX 定位器產(chǎn)品將滿足這些應(yīng)用規(guī)范。該 EX，4-20 mA 模塊可以在訂購時(shí)指定或在現(xiàn)場進(jìn)行轉(zhuǎn)換。它們的操作與任何其他電動(dòng)氣動(dòng)定位器一樣，但外殼的設(shè)計(jì)符合這些嚴(yán)格的分類。該 EX 模塊通過一個(gè)短轉(zhuǎn)接板直接安裝到 V200P 基座定位器上，該轉(zhuǎn)接板在板的背面提供氣壓，通過 4/20 mA 信號(hào)在內(nèi)部將此壓力轉(zhuǎn)換為 3-15 psi 信號(hào)，返回到定位器信號(hào)隔膜室。不要與 Nema 分類（7 或 9）混淆，這些 FM-CSA、-ATEX 等區(qū)域分類/批準(zhǔn)均附有相應(yīng)的證書文件。對(duì)于位置反饋，VAC 提供了一個(gè)特殊的第三方安裝適配器，允許將 EX 反饋直接安裝到設(shè)備上，從而消除了笨拙的連桿臂和復(fù)雜的安裝。
VAC定位器V200EX系列其他常用型號(hào)：
VAC V200
VAC V200EX
VAC V200EXX-N-D1-A-C1 FM/CSA
VAC Signal Converter NEW + ORIGINAL+ ONE YEAR WARRANTY
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VAC定位器V200EX系列介紹
