SEVENSTAR D08 Series Flow Readout Boxes Instruction Manual

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D08-2E Flow Readout Boxes
D08-3E Flow Readout Boxes
D08-4E Flow Readout Boxes
INSTRUCTION MANUAL Version Jan，2023

A NOTE TO OUR CUSTOMERS

Dear customer,
Thank you for purchasing SEVENSTAR D08 series Flow Readout Boxes.
This user manual is important when installing and doing maintenance. Please keep it carefully.
We strongly recommend that you read this manual thoroughly before you starting to use the product. This user manual 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 your local Sevenstar Sales Agent or Sevenstar Customer Service at: (8610)- 6436 2925.
Yours sincerely,
Sevenstar
D0 8 SERIES FLOW READOUT BOXES

D08-2E, D08-3E, D08-4E
Flow Readout Box

APPLICATIONS & FEATURES

Flow Readout Boxes provide operating power supply, operating control, flow setting and flow digital display for the mass flow controller (MFC) and the mass flow meter (MFM). D08 series of Flow Readout Boxes can be connected with D07 series MFC or MFM without any change. And it can also be used for other models of MFC or MFM.
With standard mounting aluminum section bar chassis, D08-2E, 3E, 4E Flow Readout box can control 2, 3 or 4 MFCs (or MFMs). And each channels have the independent displays and control potentiometers.

SPECIFICATIONS

Table 1. Specifications of D08-2E, D08-3E and D08-4E Flow Displayers

-15V±5%          1.2A
2| Nominal Power Supply| +5.00V±0.1%   5mA| +5.00V±0.1% 10mA
3| Power Supply| ~220V±10%      50Hz
4| Max Consumption| 25W| 45W
5| Input & Output Signal| 0 ~ +5V
6| Dimension (mm)| Series Mounting Chassis 483×140×320
7| Weight (kg)| 6| 7| 7.5
8| Control Channels Display Number| 2 MFCs/MFMs
2 Displayers| 3 MFCs/MFMs
3 Displayers| 4 MFCs/MFMs
4 Displayers

FRONTAL & BACK OPERATION PANELS (Figure 1~3)

STRUCTURE INSTRUCTION

4.1 ±15V Power Supply
Composed by three-terminal integrated stabilized modules, ±15V power supply with the simple connection, high stability and reliability are available as well as over-heat and over-load protections in the integrated stabilized electric circuit.
4.2 +5.00V Nominal Power Supply
From the +5.00V nominal power supply, the 0~5V voltage output which is adjusted by its set potentiometer can be used for controlling MFCs. Because of the soft-start circuit, the voltage will rises gradually from 0 to +5.00V 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 will be set to the user want to. If the user cannot give MFC flow specifications, the default will be set as %FS. The SLM and SCCM LBD in the frontal panel will indicate the flow unit. Two LBD off means that flow unit is %FS. The radix point, unit of every channel could be adjusted respectively.
4.4 Valve Controller
Valve Controller is used for selecting working status of MFC. When MFC is operated normally, it should be “Valve Control”. If MFC valve need to be full opened, it should be “Purge”. MFC valve will be closed if it is “OFF”. Caution: This function can be only available for D07 series MFC without any problems. For other MFC products, please do NOT connect “ Valve Control” pin.
4.5 Zero Potentiometer
“Zero Potentiometer” can only adjust zero in a small range for D07 series MFC/MFM products. It will be useless for other MFC products.
4.6 Setting Potentiometer
The user can use “setting potentiometer’ to send the voltage (0-5v) to MFC for setpoints.
4.7 Power Supply: 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. Comparably if it is set to “EXT”, the control signal of MFC will come from the “EXT control connector”.
4.11 MFC “Q” Connector
12pin “Q” connector is used for connection with the MFC/MFM. Every connector (channel) can only be connected to one MFC. Thus, two channel for D08-2E, three channel for D08-3E, and four channel for D08-4E.
4.12 External Control Connector
The 0-5V voltage can be used for external control signal Please refer table 3 for connection.
4.13 Nameplate
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.

INSTALLATION & CONNECTION

5.1 Dimension
Dimensions & installations are showing in figure 4.

Note: Dimensions are in mm.
5.2 MFC Connection
For the pin configure of MFC “Q” connector, please refer to Table 2
Table2. MFC “Q” connector diagram
Signals Instruction of Table 2:

1. Necessary signals:±15V, Power Common, Set, Flow Output and Signal Common. These signals must be connected correctly.
2. “Valve Drive” and “ External Zero Adjustment” signals are only for D07 series MFC products. For other MFC products, please do NOT connect
3. GND Line normally is disconnected. (Please refer to the MAINTENANCE information)

MFC Controller Signal

No.| Specialties
1| GND
2| Flow Readout
3| Signal common
4| Valve Drive
5| Set
6| Power Common
7| External Zero
8| +15V
9| Common
10|
11| -15V
12| -15V

5.3 External Control Socket Connection
For External Control Connection, please refer to Table 3. PC or other external control equipments can control the MFC by external control connector.

a. D08-2E External Control Signal

No.| Specialties
1| +5.00V
2| Signal common
3| External SetⅠ
4| External SetⅡ
5| Flow ReadoutⅠ
6| Flow ReadoutⅡ
7| Valve OverrideⅠ
8| Valve OverrideⅡ
9|
b. D08-3E External Control Signal

No.| Specialties
1| +5.00V
2| Signal common
3| External SetⅠ
4| External SetⅡ
5| External SetⅢ
6|
7| Flow ReadoutⅠ
8| Flow ReadoutⅡ
9| Flow ReadoutⅢ
10|
11| Valve OverrideⅠ
12| Valve OverrideⅡ
13| Valve OverrideⅢ
14|
15|
c. D08-4E External Control Signal

No.| Specialties
1| +5.00V
2| Signal common
3| External SetⅠ
4| External SetⅡ
5| External Set Ⅲ
6| External Set Ⅳ
7| Flow ReadoutⅠ
8| Flow ReadoutⅡ
9| Flow Readout Ⅲ
10| Flow Readout Ⅳ
11| Valve OverrideⅠ
12| Valve OverrideⅡ
13| Valve OverrideⅢ
14| Valve OverrideⅣ
15|

Signals Instruction of Table 3:
a. The voltages between External Set Ⅰ～Ⅳ and signal common will be used for setting the 1～4 channel MFC respectively. If external potentiometer is used for setting, a 3.3K potentiometer 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 for D07 series MFC products without any problems. If valve Override is connected to +15V, valves will be shut off. If valve Override is connected to -15V, valves will be full opened. Valves will be in the automatic control status if valve Override is not connected. Caution: if the user wants to use external (PC control) function, “ Valve Controller ” switch should be in the middle.

OPERATION INSTRUCTION

6.1 Preparation
6.1.1 Control Button
a. Power Supply: OFF
b. Valve Controller: OFF
c. Setting Potentiometer: minimum
d. Internal & External Setting Selection
If setting potentiometer of the box will control MFC directly, the selection should be “INT” (internal setting).
If controlled by the computer, the selection should be “EXT”(external setting).
6.1.2 Power Supply Connection
One terminal of power lead should be connected with power connector of the back panel. And another one should be connected with AC power. ( Please make sure power supply should be ~220V±10% 50Hz, otherwise flow readout box maybe operate incorrectly)
6.1.3 Control Line Connection
Please use the appropriate cable to connect the MFC/MFM according to the configure
6.2 Operation Method
Please refer to the related technical instruction 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 close.
6.2.4 Setting:
Adjusting ten-rounded potentiometer of panel will give setpoint to the MFC.
6.2.5 Turn Off:
AC power should be shut off after using.

PARAMETER SETTING

Flow rate unit indication & range should be based on MFC (MFM). Normally, we have set it before it lead to the users. If the flow unit is set as percentage “%”, general speaking, which could operate together with any kind of flow range MFC (MFM).
Our D08 series products could not support displayer flow range adjustment by users, it should be returned back while needed, or ask for our professional customers service staff. If user wants to change its flow range before operating, we suggest use our D08-1, D08-2 & D08-4 series or D08-1F ~ 4F series products. Therefore, according to our Instruction Manual, users could adjust flow range and unit by themselves.

CAUTION

8.1 Inner Potentiometer Adjustment
The inner potentiometer of device is already well adjusted before delivery, users should be better not self-adjust it optionally.
8.2 Grounding Connection
Between Flow Readout Box (Power GND) and MFC, normally, it should be connected with ground and shared the same grounding place. If there is rather distant between them, chassis should separately connect with its rack, but please be sure the power box should be disconnected with ground wire of MFC cable, otherwise ground wire disturbing will happen, even caused to ground wire burning accident.
8.3 Substitution
If use Flow Readout Box connecting with international other model MFC, please be sure it is matched capacity of power supply and could achieve correct wiring and converting. Especially, please be careful the “valve control” and “Zero Potentiometer” function is quite different of other models, when need operating, it should be altered wires or disconnected it.

PRODUCTION SELECTION

9.1 Type selection

Note: D08-1JM and D08-1H are custom-built.
“Set” and “Valve Control” is invalid for MFMs.
9.2 Order form

D08 Series
Flow Readout Boxes
Beijing Sevenstar Flow Co., Ltd.

Development Area
---|---
Post code：| 100176
Tel：| （+86）10-56178088
Fax：| （+86）10-56178099
Homepage| www.mfcsevenstar.cn
E-Mail:| mfcsales@sevenstar.com.cn 
Shanghai Office:| : Room 802-803, Building 3, No. 88 Shengrong Road, Pudong New District, Shanghai
Tel：|  (+86)-21-63532370
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 without notice.
If there is any mistake in this uses manual, please feel free to contact us.

References

• 北京七星华创流量计有限公司-mfc流量计-国产质量流量计-流量显示仪
• 北京七星华创流量计有限公司-mfc流量计-国产质量流量计-流量显示仪

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