Internal interfaces | system block "ls_analoginput, 7i/o terminals, 3 analog terminals – Lenze 8400 TopLine User Manual
Page 409
Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14
409
7
I/O terminals
7.3
Analog terminals
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
7.3.3
Internal interfaces | System block "LS_AnalogInput"
The LS_AnalogInput system block maps the analog inputs in the FB editor.
Output
DIS code | data type
Value/meaning
nIn1_a
| INT
Analog input 1
• Scaling:
±2
14
≡ ±10 V for use as voltage input
+2
14
≡ +20 mA for use as current input
bCurrentErrorIn1
BOOL
Status signal "Current input error"
• Only when analog input 1 is used as current input.
• Application: Cable-breakage monitoring of the 4 ...20 mA circuit.
TRUE |I
AIN1
| < 4 mA
nIn2_a
| INT
Analog input 2
• Scaling:
±2
14
≡ ±10 V for use as voltage input
+2
14
≡ +20 mA for use as current input
bCurrentErrorIn2
BOOL
Status signal "Current input error"
• Only when analog input 2 is used as current input.
• Application: Cable-breakage monitoring of the 4 ...20 mA circuit.
TRUE |I
AIN2
| < 4 mA
/6B$QDORJ,QSXW
;
E&XUUHQW(UURU,Q
Q,QBD
$8
$5
$,
$8
$,
*$
28
2,
28
2,
&
&
&
'
$
&
2IIVHW
*DLQ
&
&
)LOWHUWLPH
&
&
&[
E&XUUHQW(UURU,Q
Q,QBD
'
$
&
2IIVHW
*DLQ
&
&
)LOWHUWLPH
&
&
&[
&
& (UURUUHDFWLRQ
& (UURUUHDFWLRQ