Commission Delegated Regulation (EU) 2015/68Show full title

2. The parameters defined within ISO 11992-2:2003 including Amd.1:2007 that are transmitted by the electric control line shall be supported as follows:

2.1.

The following functions and associated messages are those specified within this Regulation that shall be supported by the tractor or towed vehicle as appropriate:

2.1.1.

Messages transmitted from the tractor to the towed vehicle:

Function/Parameter	ISO 11992-2:2003Reference	Reference in this Regulation
Service/secondary brake demand value	EBS11 Byte 3-4	Appendix 1 to Annex II, point 3.1.3.2.
Two electrical circuits brake demand value	EBS12 Byte 3 Bit 1-2	Annex XII, point 3.1.
Pneumatic control line	EBS12 Byte 3 Bit 5-6	Annex XII, point 3.1.

2.1.2.

Messages transmitted from the towed vehicle to the tractor:

Function/Parameter	ISO 11992-2:2003Reference	Reference in this Regulation
Vehicle electrical supply sufficient/insufficient	EBS22 Byte 2 Bit 1-2	Annex XII, point 5.2.3.
Warning signal request	EBS22 Byte 2 Bit 3-4	Annex XII, point 4.2.3., 5.2.4. and 5.2.3.
Supply line braking request	EBS22 Byte 4 Bit 3-4	Annex XII, point 4.2.2.
Stop lamps request	EBS22 Byte 4 Bit 5-6	Annex XII, point 5.2.5.1.
Vehicle pneumatic supply sufficient/insufficient	EBS23 Byte 1 Bit 7-8	Annex XII, point 5.2.4.

2.2.

When the towed vehicle transmits the following message, the tractor shall provide a warning to the driver:

Function/Parameter	ISO 11992-2:2003Reference	Driver Warning Required
Warning signal request	EBS22 Byte 2 Bit 3-4	point 2.2.1.29.2.1 of Annex I

2.3.

The following messages defined in ISO 11992-2:2003 including Amd.1:2007 shall be supported by the tractor or towed vehicle:

2.3.1.

Messages transmitted from the tractor to the towed vehicle:

No messages currently defined.

2.3.2.

Messages transmitted from the towed vehicle to the tractor:

Function/Parameter	ISO 11992-2:2003Reference
Vehicle service brake active/passive	EBS22 Byte 1, Bit 5-6
Braking via electric control line supported	EBS22 Byte 4, Bit 7-8
Geometric data index	EBS24 Byte 1
Geometric data index content	EBS24 Byte 2

2.4.

The following messages shall be supported by the tractor or towed vehicle as appropriate when the vehicle is installed with a function associated with that parameter:

2.4.1.

Messages transmitted from the tractor to the towed vehicle:

Function/Parameter	ISO 11992-2:2003Reference
Vehicle type	EBS11 Byte 2, Bit 3-4
VDC (Vehicle Dynamic Control) Active/passive	EBS11 Byte 2, Bit 5-6
Brake demand value for front or left side of vehicle	EBS11 Byte 7
Brake demand value for rear or right side of vehicle	EBS11 Byte 8
ROP (Roll Over Protection) system enabled/disabled	EBS12 Byte 1, Bit 3-4
YC (Yaw Control) system enabled/disabled	EBS12 Byte 1, Bit 5-6
Enable/disable towed vehicle ROP (Roll Over Protection) system	EBS12 Byte 2, Bit 1-2
Enable/disable towed vehicle YC (Yaw Control) system	EBS12 Byte 2, Bit 3-4
Traction help request	RGE11 Byte 1, Bit 7-8
Lift axle 1 — position request	RGE11 Byte 2, Bit 1-2
Lift axle 2 — position request	RGE11 Byte 2, Bit 3-4
Steering axle locking request	RGE11 Byte 2, Bit 5-6
Seconds	TD11 Byte 1
Minutes	TD11 Byte 2
Hours	TD11 Byte 3
Months	TD11 Byte 4
Day	TD11 Byte 5
Year	TD11 Byte 6
Local minute offset	TD11 Byte 7
Local hour offset	TD11 Byte 8

2.4.2.

Messages transmitted from the towed vehicle to the tractor:

Function/Parameter	ISO 11992-2:2003Reference
Support of side or axle wise brake force distribution	EBS21 Byte 2, Bit 3-4
Wheel based vehicle speed	EBS21 Byte 3-4
Lateral acceleration	EBS21 Byte 8
Vehicle ABS active/passive	EBS22 Byte 1, Bit 1-2
Amber warning signal request	EBS22 Byte 2, Bit 5-6
Vehicle type	EBS22 Byte 3, Bit 5-6
Loading ramp approach assistance	EBS22 Byte 4, Bit 1-2
Axle load sum	EBS22 Byte 5-6
Tyre pressure sufficient/insufficient	EBS23 Byte 1, Bit 1-2
Brake lining sufficient/insufficient	EBS23 Byte 1, Bit 3-4
Brake temperature status	EBS23 Byte 1, Bit 5-6
Tyre/wheel identification (pressure)	EBS23 Byte 2
Tyre/wheel identification (lining)	EBS23 Byte 3
Tyre/wheel identification (temperature)	EBS23 Byte 4
Tyre pressure (actual tyre pressure)	EBS23 Byte 5
Brake lining	EBS23 Byte 6
Brake temperature	EBS23 Byte 7
Brake cylinder pressure first axle left wheel	EBS25 Byte 1
Brake cylinder pressure first axle right wheel	EBS25 Byte 2
Brake cylinder pressure second axle left wheel	EBS25 Byte 3
Brake cylinder pressure second axle right wheel	EBS25 Byte 4
Brake cylinder pressure third axle left wheel	EBS25 Byte 5
Brake cylinder pressure third axle right wheel	EBS25 Byte 6
ROP (Roll Over Protection) system enabled/disabled	EBS25 Byte 7, Bit 1-2
YC (Yaw Control) system enabled/disabled	EBS25 Byte 7, Bit 3-4
Traction help	RGE21 Byte 1, Bit 5-6
Lift axle 1 position	RGE21 Byte 2, Bit 1-2
Lift axle 2 position	RGE21 Byte 2, Bit 3-4
Steering axle locking	RGE21 Byte 2, Bit 5-6
Tyre wheel identification	RGE23 Byte 1
Tyre temperature	RGE23 Byte 2-3
Air leakage detection (Tyre)	RGE23 Byte 4-5
Tyre pressure threshold detection	RGE23 Byte 6, Bit 1-3

2.5.

The support of all other messages defined within ISO 11992-2:2003 including Amd.1:2007 is optional for the tractor and towed vehicle.