Instruction/ maintenance manual of the product PF2A7H Sierra Monitor Corporation
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URL http : // www.smcworld.com FOR AIR Digital Flow Switch Large Flow Rate T ype Instruction Manual PF2A7 □ H Series.
SAFETY 2 Model Indication Method 4 Name and Functions of Individual Parts 5 Installation 6 Example of Internal Circuit and Wiring 8 Setting 10 OUT1 Output Specifications 11 Function Setting 13 Other Functions 18 Specification 20 Full View with Dimensions 22 Thank you for purchasing the SMC PF2A7 □ H Series Digital Flow Switch.
3 2 SAFETY IMPORT ANT MESSAGES W ARNING NOTE Indicates a potentially hazardous situation which could result in death or serious injury if you do not follow instructions.
5 4 Unit Specification No Symbol : Unit selection function provided - M: SI units fixed Lead Wire Specification No Symbol: Lead wire with connector 3m N: None Lead wire with connector PF2A7 H - - Flow.
7 6 Nominal size of screws Rc 1 36 to 38 Rc 1 ・ 1/2 48 to 50 Rc 2 48 to 50 Before you mount a flow switch, read "SAFETY" and "Installation" described in this chapter carefully to obtain safe and correct measurement. Mounting ● Use this flow switch under the specified operating pressure range.
9 8 OUT1 Analog Output Load Load 24VDC ＋ − 1 4 2 3 Brown Black White Blue Main Circuit Analog Output OUT1 ＋ − Load Load Brown Black Blue White 1 4 2 3 24VDC Main Circuit Connector pin number Min.
11 10 Note 1) ( Display unit selection mode ) does not exist for -M ( SI unit fixed ) type. Note 2) ( Flow rate setting mode) does not exist when selecting during ( Output spec.
13 12 ［ P ］ Output mode 50ms 50ms Time Time ON OFF ON OFF note2 ) ［ n ］ Display Intrgrated flow 100 /pulse note2 ) Integrated flow Integrated flow ON OFF n_3 ON OFF P_3 ［ n ］ ［ P ］ Output mode 10.
Display unit selecting mode (When Unit spec. in Model Indication is w/o "M") Unit can be selected from that of Instantaneous flow and integrated flow. The unit is changed by pressing ▲ button. It will be set up if the button is pressed. If the button is pressed instead of the button, it will change to 「 F_3 」 .
17 16 Function Setting (continue) 7. Flow rate setting mode Input set value. Input method depends on OUT1 output specification. It does not go into Flow rate setting mode when the integration pulse output is selected as OUT1. Instantaneous switch output (oU1_0) 1.
19 18 Error Display and T roubleshooting This function displays error location and nature. When a problem or an error occurs, take the following actions. Flow display check Check integrated flow when instantaneous flow is selected Integrated flow is displayed only during ▼ button is pressed.
21 20 Specification *1) With a unit selection function ( Without a unit selection function, fixed to SI unit [ /min or , m 3 , m 3 × 10 3 ]) *2) Flow rate indication is possible to be switched to normal condition of 0 ℃ /101.3kPa and standard condition of 20 ℃ /101.
22 (42.2) FLOW SWITCH 2 - G 4 - I Thred depth J A F H 55 B 40 D E C 60 Flow direction Model No. PF2A703H 55 PF2A706H PF2A712H 65 75 A 160 180 220 B 40 45 55 C 92 104 114 D 67 89 E 55 65 75 F 36 46 56 H M5 × 0.
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If you already are a holder of Sierra Monitor Corporation PF2A7H, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sierra Monitor Corporation PF2A7H.
However, one of the most important roles played by the user manual is to help in solving problems with Sierra Monitor Corporation PF2A7H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sierra Monitor Corporation PF2A7H along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
