User's Manual

Hardware Requirement Specification
(HRS)
Orion Energy Management Doc.No: 61 8003 011
Valid from Revision
P7
Author(s): Jan Elfstrom Page 8/25
CONFIDENTIAL ©TIMELOX AB
• “Up” button
• “Down” button
• Celsius/Fahrenheit button (Toggle function)
5.1.5 Electrical interface levels
5.1.5.1 The UI I/O shall tolerate voltages in the range 3 – 5VDC
5.1.5.2 The UI output voltage-levels shall be in the range 0 - 5VDC
5.1.5.3 Logical high level shall be minimum 3.0V
5.1.5.4 Logical low level shall be maximum 0.5V
5.1.6 Module Communications Interface
5.1.6.1 The communication to/from the UI shall be with asynchronous full duplex
communication (38400 8N1)
5.1.6.2 The communication protocol shall be based on the specification D-032
5.1.6.3 The electrical interface between the UI and other modules shall be over a 6-
pin JST PHR-6, tin plated or equivalent connector
5.1.6.4 The wire harness for the PHR-6 connector shall be 50 mm long
5.1.6.5 The following pin-out shall be used:
1- VCC
2- GND
3- Activate (UI)
4- Wakeup (Module)
5- RxD (From UI)
6- TxD (To UI)
5.1.7 Service Interface
5.1.7.1 The UI shall have a service connector of the type 3.5mm stereo-jack
5.1.7.2 The Service connector shall be protected against ESD (8KV for air
discharge )
5.1.7.3 The following signals shall be used
1- Power input 3.5 – 10VDC (tip)
2- Serial communication (middle)
3- GND (inner)