4 l_rlq_1, L_rlq, L_rlq_1 – Lenze 8400 BaseLine C User Manual
Page 317: 11 function library

Lenze · 8400 BaseLine C · Reference manual · DMS 1.6 EN · 01/2014 · TD05
317
11
Function library
11.4
L_RLQ_1
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
11.4
L_RLQ_1
This FB links a selected direction of rotation to the quick stop function with wire-break protection.
Inputs
Outputs
Function
[11-5] Truth table of the FB L_RLQ, 0 = FALSE, 1 = TRUE
Identifier
Data type
Information/possible settings
bCw
BOOL
Input
• TRUE = CW rotation
bCCw
BOOL
Input
• TRUE = CCW rotation
Identifier
Data type
Value/meaning
bQSP
BOOL
Output signal for quick stop (QSP)
bCwCcw
BOOL
Output signal for CW/CCW rotation
• TRUE = CCW rotation
Inputs
Outputs
Notes
bCw
bCCw
bCwCcw
bQSP
TRUE
TRUE
FALSE
TRUE
The inputs have this state only if a TRUE signal is being applied to
both inputs at the moment of switch-on!
See also FB illustration above, "Init" = 1.
If one of the inputs has the TRUE state, the following truth table applies:
FALSE
FALSE
FALSE
TRUE
See also FB illustration above, "Init" = 0.
TRUE
FALSE
FALSE
FALSE
FALSE
TRUE
TRUE
FALSE
TRUE
TRUE
X (save)
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