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Page 5 of 12 

Nameplate indicates the actual situation of each MFC (or MFM) channel when flow readout box connected with 
MFC (or MFM), for example the full scales and flow units. 

 

5.

 

INSTALLATION & CONNECTION 

5.1    Dimension ( Figure 4.) 

设定




闭 调零

MFC1

调零




设定

MFC2

D08-2D/ZM 

流量显示仪

北京七星华创电子股份有限公司

电源

         

 
 
 

Note: Dimensions are in mm. 

 
 
 
 
 

5.2  MFC Connection  

For the pin configure of MFC “D” connector, please refer to Table 2. 

Table2. MFC “D” connector diagram

 

Figure 4. Chassis Dimension   

Summary of Contents for D08-2F

Page 1: ...D08 2F D08 3F D08 4F Flow Readout Boxes INSTRUCTION MANUAL Version July 2020 ...

Page 2: ...anual introduces the important issues including the proper and safe use of the products And please notice the words and section with the symbol Not in accordance with the user manual for the use of property caused by loss or personal injury SEVENSTAR may not be responsible If you require any additional information or assistant of Sevenstar D08 series Flow Readout Boxes Please feel free to contact ...

Page 3: ... Setting 9 4 6 Setting Potentiometer 4 6 2 5 Turn Off 9 4 7 Power Supply Switch 4 7 Parameter Setting 9 4 8 Power Supply Connector 4 7 1 Range Selection 10 4 9 Fuse 4 7 2 Range Adjustment 10 4 10 Setting Selection 4 7 3 Radix Point Adjustment 10 4 11 MFC D Connector 5 8 MAINTENANCE 10 4 12 External Control Connector 5 8 1 Internal Potentiometer Adjustment 10 4 13 Nameplate 5 8 2 Grounding Problem ...

Page 4: ...3F 4F Flow Readout box can control 2 3 or 4 MFCs or MFMs And each channels have the independent displays and control potentiometers 2 SPECIFICATIONS Table1 Technical Specifications of D08 2F D08 3F D08 4F Flow Readout Box No Items D08 2F D08 3F D08 4F 1 Output Power Supply 15V 3 300mA 15V 3 600mA 15V 3 600mA 15V 3 1 2 A 2 Nominal Power Supply 5 00V 0 1 5mA 5 00V 0 1 10mA 3 Power Supply 220V 10 50H...

Page 5: ... 3 Figure 1 Frontal Back Operation Panels of D08 2F Figure 2 Frontal Back Operation Panels of D08 3F INT EXT Setting Selection Fuse Range Adjustment AC Power Radix Point Set MFC D Connector EXT Control Connector Displayer Valve Controller Power Switch Set ...

Page 6: ...ontrolling MFCs Because of the soft start circuit the voltage will rises gradually from 0 to 5V for avoiding the overshoot of MFC responding The time of soft start will cost 20 seconds approximately 4 3 Displayer 3 and 1 2 numbers panel can display the readout from MFC The maximum value 1800 Flow rate can be displayed by SCCM SLM or FS Normally the default flow range and unit of Flow Displayer wil...

Page 7: ...setpoints 4 7 Power Supply Switch Power on or off the box 4 8 Power Supply Connector AC 220V 10 50Hz should be imported by this connector 4 9 Fuse 1A fuse tube is used Please check the fuse if power of the box failure 4 10 Setting Selection Setting selection is used for selecting where the setting signal comes from If it is set to INT the setting potentiometer of the box will control the MFC Compa...

Page 8: ...xample the full scales and flow units 5 INSTALLATION CONNECTION 5 1 Dimension Figure 4 设定 阀 控 清 洗 关 闭 调零 MFC1 调零 清 洗 阀 控 关 闭 设定 MFC2 D08 2D ZM 流量显示仪 北京七星华创电子股份有限公司 电源 通 Note Dimensions are in mm 5 2 MFC Connection For the pin configure of MFC D connector please refer to Table 2 Table2 MFC D connector diagram Figure 4 Chassis Dimension ...

Page 9: ...ommon Set Flow Output and Signal Common These signals must be connected correctly Valve Drive and External Zero Adjustment signals are only for D07 series MFC products For other MFC products please do NOT connect GND Line normally is disconnected Please refer to the MAINTENANCE information For MFM Valve Drive and Set is invalid If you provide your own cable for other MFC products we suggest that y...

Page 10: ...10 11 Valve OverrideⅠ 12 Valve OverrideⅡ 13 14 15 b D08 3F External Control Signal No Functions 1 5 00V 2 Signal Common 3 External SetⅠ 4 External SetⅡ 5 External SetⅢ 6 7 Flow ReadoutⅠ 8 Flow ReadoutⅡ 9 Flow Readout Ⅲ 10 11 Valve OverrideⅠ 12 Valve OverrideⅡ 13 Valve Override Ⅲ 14 15 c D08 4F External Control Signal No Functions 1 5 00V 2 Signal Common 3 External SetⅠ 4 External SetⅡ 5 External S...

Page 11: ...otentiometer can be connected with 5 00V and Signal common and its tap can be connected with External Set The user can connect D A of computer to external control connector for the automatic control Please make sure input impedance should be more than 10KΩ b 0 5V voltage signals from flow readout Ⅰ Ⅳ will indicate the flow rate from channel I IV respectively c Valve Override Ⅰ Ⅳ are ONLY available...

Page 12: ...ruction of MFC or MFM 6 2 1 Turn On Connect with power supply and switch on 6 2 2 Zero Adjustment The Zero Potentiometer is ONLY available for D07 series MFC MFM After warming up by 15 minutes without flow passing Zero Potentiometer could be adjusted by a small screwdriver 6 2 3 Valve controller Setting For normal operating it should be Valve Control And it can be used to drive valve full open or ...

Page 13: ...djustment potentiometer to the value you want 7 3 Radix Point Adjustment Figure 5 shows the configuration of radix point adjustment The corresponded relations are showed in Table 4 Figure 5 Radix Point Position Switch Table 4 Radix Point Position Table 8 MAINTENANCE 8 1 Internal Potentiometer Adjustment All internal potentiometers in the device have been already adjusted before delivery Please do ...

Page 14: ...nt models 9 PRODUCTION SELECTION 9 1 Type selection Circuit Cases Display Power supply Output voltage Other funtions Type MFC MFM Ana Dig Mini Type Desk style Rack desk style 1 channel 1 Display Multi Channel 1 Display Multi Channel Multi Display 110 VAC 220 VAC 85 265 VAC 15 VDC 24 VDC 4 20mA 0 10mA I input 4 20mA 0 10mA I output 4 20mA 1 5V Input Signal 4 20mA 1 5V Output Signal RS232 RS485 Comm...

Page 15: ...play FS for each channel S List full scale of each channel see table on right side and other request If only one channel needs FS unit please fill in S scale code 5sccm A 10sccm B 20sccm C 30sccm D 50sccm E 100sccm F 200sccm G 300sccm H 500sccm J 1slm K 2slm L 3slm M 5slm N 10slm P 20slm Q 30slm R 50slm U 100slm V 150slm W 200slm X 250slm Y 300slm Z percentage display S ...

Page 16: ...anghai Office Room 511 Building 29 No 368 Zhangjiang Road Pudong New District Shanghai Tel 86 21 63532370 Fax 86 21 63533265 Shenzhen Office Room 202 Section B No 1 Chuangjin No 125 Chuangye Erlu 28th Section Baoan District Shenzhen Tel 86 755 88290258 Fax 86 755 88294770 Description may be changed following improvements to product The information contained in this document is subject to change wi...

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