SAMSON定位器3730-3系列技术参数
Travel | |
Adjustable travel for | Direct attachment to Type 3277: 3.6 to 30 mm |
Travel range | Adjustable within the initialized travel/angle of rotation of the valve; travel can be restricted to 1/5 at the maximum. |
Set point w | |
Signal range | 4 to 20 mA · Two-wire device, reverse polarity protection · Minimum span 4 mA |
Static destruction limit | 40 V, internal current limit approx. 40 mA |
Minimum current | 3.75 mA for display/operation (HART® communication and configuration) |
Load impedance | ≤ 9.3 V (corresponds to 465 Ω at 20 mA) |
Supply air | |
Supply air | 1.4 to 7 bar (20 to 105 psi) |
Hysteresis | ≤0.3 % |
Sensitivity | ≤0.1 % |
Characteristic | Linear/Equal percentage/Reverse equal percentage/SAMSON butterfly valve |
Transit time | Venting or filling with air adjustable separately up to 240 s by software |
Direction of action | Reversible |
Air consumption, steady state | Independent of supply air approx. 65 ln/h |
Air output capacity (when ∆p = 6 bar) | |
To fill actuator with air | 8.5 mn³/h · At Δp = 1.4 bar: 3.0 mn³/h · KVmax(20 °C) = 0.09 |
To vent actuator | 14.0 mn³/h · At Δp = 1.4 bar: 4.5 mn³/h · KVmax(20 °C) = 0.15 |
Requirements | |
EMC | Complying with EN 61000-6-2, EN 61000-6-3, EN 61326-1 and NAMUR Recommendation NE 21 |
Degree of protection | IP 66/NEMA 4X |
Electrical connections | |
Cable glands | One M20x1.5 cable gland for 6 to 12 mm clamping range |
Terminals | Screw terminals for 0.2 to 2.5 mm² wire cross-section |
Materials | |
Housing and cover | Die-cast aluminum EN AC-AlSi12(Fe) (EN AC-44300) acc. to DIN EN 1706, |
Window | Makrolon® 2807 |
Cable glands | Polyamide, nickel-plated brass, stainless steel 1.4305 |
Other external parts | Stainless steel: 1.4571 and 1.4301 |
Weight | Aluminum housing: approx. 1.0 kg · Stainless steel housing: approx. 2.2 kg |
SAMSON定位器3730-3系列介绍
带 HART通信的智能定位器
SAM数字就绪
压铸铝或不锈钢外壳
根据IEC 60534-6、VDI/VDE 3847或SAMSON整体附件连接到线性执行器
根据VDI/VDE 3845连接到旋转执行器
连接到带3710型反向放大器的双作用执行器
用于控制阀的集成EXPERTplus诊断
非接触式位置感应
带有NAMUR Recommendation NE 107状态和设备消息的纯文本显示
集成诊断功能
简单的一键式菜单驱动操作
由于可选择的读取方向，LCD 在任何安装位置都易于读取
可使用TROVIS-VIEW软件通过SSP接口在计算机上进行配置
具有四种不同初始化模式的可变自动启动
Sub（替代）初始化模式允许定位器在紧急情况下在工厂运行时启动，而无需改变阀门位置。
所有参数保存在非易失性EEPROM中
具有465 Ω小电气负载的两线制系统
可调紧闭功能
连续零位监控集成温度传感器和运行时间计数器
自我诊断，消息作为压缩状态符合 NAMUR 建议 NE 107
Smart positioner with HART® communication
SAM DIGITAL READY
Die-cast aluminum or stainless steel housing
Attachment to linear actuators according to IEC 60534-6, VDI/VDE 3847, or SAMSON integral attachment
Attachment to rotary actuators according to VDI/VDE 3845
Attachment to double-acting actuators with Type 3710 Reversing Amplifier
Integrated EXPERTplus diagnostics for control valves
Non-contact position sensing
Plain-text display with NAMUR Recommendation NE 107 states and messages on the device
Integrated diagnostic functions
Simple one-knob, menu-driven operation
LCD easy to read in any mounting position thanks to selectable reading direction
Configurable with a computer over the SSP interface using the TROVIS-VIEW software
Variable, automatic start-up with four different initialization modes
Sub (substitution) initialization mode allows the positioner to be started up in case of emergency whilst the plant is running without having to change the valve position.
All parameters saved in non-volatile EEPROM
Two-wire system with a small electrical load of 465 Ω
Adjustable tight-closing function
Continuous zero monitoring ntegrated temperature sensor and operating hours counter
Self-diagnostics, messages as condensed state conforming to NAMUR Recommendation NE 107
SAMSON定位器3730-3系列选型
