Advanced DCC Operation:
This section of the manual provides more in-depth detail on how to set up and
configure your MTH PS3.0E+ equipped engine using the NMRA-standard CV's as
well as the manufacturer-specific CV's. It also explains some of the other F
Functions not covered in the Basic DCC Operation section. Please refer to the CV
Data Table on page 25.
M.T.H. HO ES44AC PS3E+ Diesel Engine
23
Configuration Variables (CV)
Configuration Variables used on MTH PS3.0E+ equppied engines.
CV1
CV2
CV3
CV4
CV5
CV8
CV17
CV18
CV19
CV21
CV22
CV23
Cv24
CV25
CV29
CV52
CV53
CV54
CV55
CV57
CV63
CV64
CV66
CV67-
CV94
CV95
CV105
CV106
CV115-
CV170
Short Address: 1-127 are the valid addresses
Start Voltage (CV52, bit0 must = 1. This will enable PWM Mode)
Acceleration Rate (CV52, bit0 must = 1. This will enable PWM Mode)
Deceleration Rate (CV52, bit0 must = 1. This will enable PWM Mode)
Max Voltage (CV52, bit0 must = 1. This will enable PWM Mode)
MFG ID. MTH =27. Also used for various resets.
High Byte of Extended Address
Low Byte of Extended Address
Consist Address (bit 7=1 on an engine will tell the engine it’s reversed in a consist)
Defines active Function F1-F8 for the active consist
Defines active functions for FL and F9-F12 for the active consist
(bit 0=1 will tell an engine that you want it’s FL control to operate under
the consist address – bit1-0/bit2=1 will configure the FL control for a
reversed engine in a consist)
Consist Acceleration Rate
Consist Deceleration Adjustment
Speed Table Select
Decoder Configuration
MTH PWM Mode Configuration
MTH Acceleration (1/8 *sMPH/s). For example - a Value of 8 written
would give you 1sMPH/s acceleration
MTH Deceleration Rate (1/8*sMPH/s)
Factory Address Reset Alternate method. Send a value of 55 to CV55 on address 55
and the model will go back to the Factory Default Address.
MTH Consist Acceleration Rate (1/8*sMPH/s)
MTH Consist Deceleration Rate (1/8*sMPH/s)
Forward Trim(CV52, bit0 must = 1. This will enable PWM Mode)
Speed Table Selection (CV29 bit 4 must be set to 1 then CV25 must be
set to 0 or 1)
Reverse Trim (CV52, bit0 must = 1. This will enable PWM Mode)
User ID #1 – General Purpose use for customer
User ID #2 – General Purpose use for customer
MTH Function Assignments – See table of supported CV’s and manual
section on how to re-arrange them for further information
Note: The engine address has to be something other than address 55
Anti-Jackrabbit Toggle. A value of 7 disables the feature, a value of 0 enables the
feature.
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