Common use of Checking procedure Clause in Contracts

Checking procedure. 4.2.1. Confirm that the manufacturer’s/supplier’s Information Document demonstrates compliance with the provisions of ISO 11992 with respect to the physical layer, data link layer and application layer. 4.2.2. Check the following, with the simulator connected to the trailer via the ISO 7638 interface and whilst all towing vehicle messages relevant to the interface are being transmitted: 4.2.2.1. Service brake system function: 4.2.2.1.1. The trailer response to the parameters defined in EBS 11 of ISO 11992-2 shall be checked as follows: The pressure in the supply line at the start of each test shall be > 7 bar and the vehicle shall be laden (the loading condition may be simulated for the purpose of this check). 4.2.2.1.1.1. For trailers equipped with pneumatic and electric control lines: both control lines shall be connected of EBS 12 set to 01b to indicate to the trailer that a pneumatic control line should be connected Parameters to be checked: Message Transmitted by the Simulator Pressure at the Brake ▇▇▇▇▇▇▇▇ Byte Reference Status 4.2.2.1.1.2. Trailers equipped with pneumatic and electric control lines or an electric control line only: Only the electric control line shall be connected The simulator shall transmit the following messages: Byte 3, bits 5 - 6 of EBS 12 set to 00b to indicate to the trailer that a pneumatic control line is not available, and byte 3, bits 1 - 2 of EBS 12 set to 01b to indicate to the trailer that the electric control line signal is generated from two electric circuits. Parameters to be checked: Message Transmitted by the Simulator Pressure at the Brake ▇▇▇▇▇▇▇▇ Byte Reference Status 4.2.2.1.2. For trailers equipped with only an electric control line, the response to messages defined in EBS 12 of ISO 11992-2 shall be checked as follows: The pneumatic supply line at the start of each test shall be $ 7 bar. The electric control line shall be connected to the simulator. The simulator shall transmit the following messages: Byte 3, bits 5 - 6 of EBS 12 set to 01b to indicate to the trailer that a pneumatic control line is available. Byte 3-4 of EBS 11 shall be set to 0 (no service brake demand) The response to the following messages shall be checked: EBS 12, Byte 3, Bit 1-2 Pressure in the brake ▇▇▇▇▇▇▇▇ or reaction of the trailer 01b 0 bar (service brake released) 00b The trailer is automatically braked to demonstrate that the combination is not compatible. A signal should also be transmitted via Pin 5 of the ISO 7638:1997 connector (yellow warning). 4.2.2.2. Failure warning 4.2.2.2.1. Check that the appropriate warning message or signal is transmitted under the following conditions: 4.2.2.2.1.1. Simulate a permanent failure within the electric control transmission of the trailer braking system which precludes the service braking system performance being met, and check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer is set to 01b. A signal should also be transmitted via pin 5 of the ISO 7638 connector (yellow warning). 4.2.2.2.1.2. Reduce the voltage on pins 1 and 2 of the ISO 7638 connector to below a value nominated by the manufacturer which precludes the service braking system performance from being fulfilled and check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer are set to 01b. A signal should also be transmitted via pin 5 of the ISO 7638 connector (yellow warning). 4.2.2.2.1.3. Check compliance with the provisions of paragraph 5.2.2.16. of this Regulation by isolating the supply line. Reduce the pressure in the trailer pressure storage system to the value nominated by the manufacturer. Check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer is set to 01b and that byte 1, bits 7 - 8 of EBS 23 is set to 00. A signal should also be transmitted via pin 5 of the ISO 7638 connector (yellow warning). 4.2.2.2.1.4. When the electrical part of the braking equipment is first energised check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer is set to 01b. After the braking system has checked that no defects that require identification by the red warning signal are present the above message should be set to 00b. 4.2.2.3. Response time checking 4.2.2.3.1. Check that, with no faults present, the braking system response time requirements defined in paragraph 3.5.2. of annex 6 to this Regulation are met.

Checking procedure. 4.2.1. Confirm that the manufacturer’s/supplier’s Information Document demonstrates compliance with the provisions of ISO 11992 with respect to the physical layer, data link layer and application layer. 4.2.2. Check the following, with the simulator connected to the trailer via the ISO 7638 interface and whilst all towing vehicle messages relevant to the interface are being transmitted: 4.2.2.1. Service brake system function: 4.2.2.1.1. The trailer response to the parameters defined in EBS 11 of ISO 11992-2 shall be checked as follows: The pressure in the supply line at the start of each test shall be > 7 bar and the vehicle shall be laden (the loading condition may be simulated for the purpose of this check). 4.2.2.1.1.1. For trailers equipped with pneumatic and electric control lines: both control lines shall be connected of EBS 12 set to 01b to indicate to the trailer that a pneumatic control line should be connected Parameters to be checked: Message Transmitted by the Simulator Pressure at the Brake ▇▇▇▇▇▇▇▇ Byte Reference Status▇ 4.2.2.1.1.2. Trailers equipped with pneumatic and electric control lines or an electric control line only: Only the electric control line shall be connected The simulator shall transmit the following messages: Byte 3, bits 5 - 6 of EBS 12 set to 00b to indicate to the trailer that a pneumatic control line is not available, and byte 3, bits 1 - 2 of EBS 12 set to 01b to indicate to the trailer that the electric control line signal is generated from two electric circuits. Parameters to be checked: Message Transmitted by the Simulator Pressure at the Brake ▇▇▇▇▇▇▇▇ Byte Reference Status▇ 4.2.2.1.2. For trailers equipped with only an electric control line, the response to messages defined in EBS 12 of ISO 11992-2 shall be checked as follows: The pneumatic supply line at the start of each test shall be $ 7 bar. The electric control line shall be connected to the simulator. The simulator shall transmit the following messages: Byte 3, bits 5 - 6 of EBS 12 set to 01b to indicate to the trailer that a pneumatic control line is available. Byte 3-4 of EBS 11 shall be set to 0 (no service brake demand) The response to the following messages shall be checked: EBS 12, Byte 3, Bit 1-2 Pressure in the of the trailer brake ▇▇▇▇▇▇▇▇ or reaction of the trailer 01b 0 bar (service brake released) 00b The trailer is automatically braked to demonstrate that the combination is not compatible. A signal should also be transmitted via Pin 5 of the ISO 7638:1997 connector (yellow warning). 4.2.2.2. Failure warning 4.2.2.2.1. Check that the appropriate warning message or signal is transmitted under the following conditions: 4.2.2.2.1.1. Simulate a permanent failure within the electric control transmission of the trailer braking system which precludes the service braking system performance being met, and check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer is set to 01b. A signal should also be transmitted via pin 5 of the ISO 7638 connector (yellow warning). 4.2.2.2.1.2. Reduce the voltage on pins 1 and 2 of the ISO 7638 connector to below a value nominated by the manufacturer which precludes the service braking system performance from being fulfilled and check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer are set to 01b. A signal should also be transmitted via pin 5 of the ISO 7638 connector (yellow warning). 4.2.2.2.1.3. Check compliance with the provisions of paragraph 5.2.2.16. of this Regulation by isolating the supply line. Reduce the pressure in the trailer pressure storage system to the value nominated by the manufacturer. Check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer is set to 01b and that byte 1, bits 7 - 8 of EBS 23 is set to 00. A signal should also be transmitted via pin 5 of the ISO 7638 connector (yellow warning). 4.2.2.2.1.4. When the electrical part of the braking equipment is first energised check that byte 2, bits 3 - 4 of EBS 22 transmitted by the trailer is set to 01b. After the braking system has checked that no defects that require identification by the red warning signal are present the above message should be set to 00b. 4.2.2.3. Response time checking 4.2.2.3.1. Check that, with no faults present, the braking system response time requirements defined in paragraph 3.5.2. of annex 6 to this Regulation are met.