Toshiba TOSVERT VF-AS3 Instruction Manual page 52

■ Parameter setting
Parameter setting of external PID3 and PID4 are below.
PID3 and PID4 are independent each other.
1) Select the input of set value and feedback value.
Note) In case of [A341]/[A371]="0", PID set value [A357]/[A387] can only be set in the range of 0 to
4
4
2) Set the following parameters to suit the system.
8
9
13
• When [A340] is set to "2" or "12", the external PID3 control is enabled only when the input terminal to
• When [A370] is set to "2" or "12", the external PID4 control is enabled only when the input terminal to
9. External PID control
Item
Set value
Feedback value
100%.
Item
Limit the input level of set value.
Limit the level of PID output
Switch the PID plus/minus
characteristics.
which [154: External PID3 enabled] is assigned is ON.
which [156: External PID4 enabled] is assigned is ON.
Title
A341 PID3 set value select
A371 PID4 set value select
A357 PID3 set value ([A341]= "12" )
A387 PID4 set value ([A371]= "12" )
A342 PID3 feedback input select
A372 PID4 feedback input select
Title
A349 PID3 set value upper-limit
A379 PID4 set value upper-limit
A350 PID3 set value lower-limit
A380 PID4 set value lower-limit
A352 PID3 output upper-limit
A382 PID4 output upper-limit
A353 PID3 output lower-limit
A383 PID4 output lower-limit
A340 PID control 3 (with selection of plus/minus)
PID control 4 (with selection of plus/minus)
A370
0: Disabled
1: External Process PID control
2: External Process PID control (link with input
terminal)
3: Digital output terminal ON-OFF duty control
4 - 10: -
11: Minus external Process PID control
12: Minus external Process PID control (link with
input terminal)
Input terminal function: "164/165: External PID3 plus/minus
switching"
"172/173: External PID4 plus/minus switching"
9-2
E6582112
Parameter name
Parameter name
VF-AS3