Using PTO EL
Work on electric power take-off (PTO EL)
Scania Truck Bodybuilder
22:10-834 Issue 2 2021-11-11
© Scania CV AB 2021, Sweden
11 (32)
Activating PTO EL
1. Prerequisites
• Bodywork VCB system deactivated
(1a)
• No energy consumption from the bodywork's VCB system
(1b)
• PTO EL status "Ready"
(1c)
• Bodywork VCB system ready for activation
(1d)
2. Request to activate PTO EL via BICT or CAN from Bodywork
(2)
3. Activation sequence initiated
• Pre-charging VCB system
(3a)
• Result pre-charging
(3b)
• Diagnostics, all parameters OK
(3c)
(Includes contactor function and detection of breaks/short circuits; see
section
Electrical requirements for systems and components con-
nected to electric power take-off
for requirements)
4. PTO EL activation
• PTO EL is activated by closing the contactors
(4a)
• Bodywork VCB system activated
(4b)
• PTO EL status "Active"
(4c)
A
B
C
1a
1b
1c
1d
2
3a
3b
3c
4a
4b
4c
444 289
Flow chart for activating PTO EL.
A: Bodywork, B: Terminal box R126, C: BMU/BCI
Colour designation
Black: Bodywork VCB
Green: CAN or BICT signals
Purple: The vehicle's internal signals
Blue: Internal process
