ComAp InteliDrive DCU Industrial, Global Manual

Page: 178 / 350

InteliDrive DCU Industrial 3.4.0 Global Guide
178
Related FW 3.4.0 Related applications AS, SS
Comm object 164
Description
Speed Request (page 256) is decreased / increased when the binary input is closed. Speed Down has
higher priority when both Up and Down inputs are active. RPM inc/dec rate is defined by BI Speed Ramp
(page 122) .
Engine speed can be set by R
EQUESTED
RPM (
PAGE
236) or by S
PEED
U
P
(
PAGE
179) and S
PEED
D
OWN
(
PAGE
178) .
Following Speed Request initialization is valid when R
EQUESTED
RPM (
PAGE
236) is not configured.
Speed Request (Idle) = 0.0 %. Inputs are active in LOC (Local) mode.
Speed Request (Running) = 50.0 % for AUX (ECU 50 % = Nominal RPM).
Speed Request (Running) = 0.0 % for PRP.
See Engine Values: (page 257) (page 257) and (page 257) (page 257) modes.
The Binary inputs SpeedUp and SpeedDown ramp
function is for the 0.6 sec constant 0.4 %/s and does not
depend on BI Speed Ramp (page 122) setting. This
function enables fine setting of Engine speed to specific
like 1500 RPM value.
Dual rate ramp
Note: Minimal Speed Up and Speed Down pulse duration is 110 ms to be accepted by controller.
Speed Down
6
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