U102-A2 Pumping Unit

U102-A2 Pumping Unit

Materials:

Body: Aluminum (Spray-Painted)

seals: Buna-N

Technical Specifications:

Power:750-1000W

Flow Rate:45~90L/min

Rotary speed :630~730rpm

Noise: 68db(A)

Minimum. vacuum degree: 0.054Mpa

Pressure Drop: 0.12-0.25Mpa

Separate Ability of Oil and Air: >=20%

Features :

Positive displacement, self priming, internal gear type and adjustable bypass valve.

Designed for quiet, vibration-free operation.

Reusable suction strainer filter at inlet connection.

Reverse check valve at air separator float mechanism.

Check and relief valve at outlet of pumping unit.

100% Factory Tested.

Package:

Product ID Net Weight Cross Weight Dimension

U102-A2 18kg/case of 1 18.5kg/case of 1 36×32× 30cm/case of 1

cation, the two categories of mechanism are adopted according to varied needs. COS security system COS safety system mainly consists of three sections: Safety state: current safety classification of card, which is used for judging holder whether or not has right to operate. Before power of IC car fuel dispenser d being connected, COS just has the minimum right to operation. Only pass authentication, like password verification and interactive authentication, can access to higher rights. Safety state is stored and indicated in special memory. Security attribute: every file has a corresponding requirement whether or not conduct an operation. Only security state meets file’s needs, operation concerned can be conducted. Therefore, security attribute is also called operation purview. When prepare to conduct an item of operation, system would automatically inspect current security classification whether or not meet requirement of purview. Security mechanism: based upon above security structure, it is needed to establish a security mechanism to interchange safety state, so that connecting safety state and security attribute. In other words, make valid user holding relevant operating right, and hinder illegal user. Generally, the transformation of safety state includes password verification, authentication, encryption /decryption.etc. PIN authorization Verifying PIN, like using bank card, terminal transmit password into IC card, in which being compared with the password stored in secret area. Card holder gets operation right if passwords are matched. If fail to match there are only three times to try. After three times card holder is supposed as illegal user, verifying PIN is closed. PIN authentication technology has a long history, which is only testify card holder whether or not know password, unable to t fuel dispenser estify he or she whether legitimate holder. Because of the shortcoming, a series of new authenticating technology have researched that employs human creation trait to distinguish personal identification. At prese fuel dispenser

FP2_1.90　　 COMMUNICATION SPECIFICATION　　 Page: 41　　5 Implementation Guidelines Recommendations　　5.1 Actions when a Device Recognises that a SC is O fuel dispenser ff-Line　　 A device recognises that a SC device that has been entered into its recipient table has　　 gone off-line or that there is a line break when it does not receive a heartbeat within　　 the duration of 3 times the heartbeat interval (normally 3 times 10 seconds = 30　　 seconds).　　 When this happens:　　 Stop sending unsolicited messages to the off-line SC device　　 Do not remove the off-line SC device from the Recipient Table.　　5.2 IFSF Message Examples　　 An example of each message is given below. All examples pertain to reading and　　 writing the communication database. In the examples the Logical Node Adress (LNA)　　 of the recipient is 24:01 (1801H) and the LNA Originator is 02:08 (0208H). Extra　　 spaces are used to separate elements. 24:01 happens to be the IFSF subnet address for　　 a Code Entry Device. The IFSF self certification XML test scripts give a whole series　　 of examples including many different possible error conditions.　　5.2.1 Read and Answer Messages　　 Example 1: Read the communication protocol version from the Code Entry Device　　 with node address 1 (01H). This element is Data_ID number 1 in the Communications　　 Service Database. In this example a token of value 01H is used.　　 1801 0208 02 01 0003 0100 01　　 For version 1.85 of the Communication Protoc fuel dispenser ol the correct answer message is:　　 0208 1801 00 21 000A 01000106 000000000185　　 NOTE: The read contains a message code (IFSF_MC) of 2 for fuel dispenser

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