YOKOGAWA UP750, User Manual

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<Toc> <7. Function Block Diagram and Descriptions>
7-5
IM 05E01B02-41E 1st Edition : May 31,2000-00
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Selecting Program Pattern Using Contact Input
It is possible to select the program pattern by turning the four contact input signals ON or
OFF. This function is assigned to DI1 (contact input 1) to DI4 (contact input 4). Note that the
program pattern can be selected during RESET mode, can not during operation.
Contact
input
8
DI1 OFF
DI2 OFF
DI3 OFF
DI4 ON
Program pattern number to be selected (PT.No)
7
ON
ON
ON
OFF
6
OFF
ON
ON
OFF
5
ON
OFF
ON
OFF
4
OFF
OFF
ON
OFF
3
ON
ON
OFF
OFF
2
OFF
ON
OFF
OFF
1
ON
OFF
OFF
OFF
15
ON
ON
ON
ON
14
OFF
ON
ON
ON
13
ON
OFF
ON
ON
12
OFF
OFF
ON
ON
11
ON
ON
OFF
ON
10
OFF
ON
OFF
ON
9
ON
OFF
OFF
ON
For example, set contact input 2 (DI2) only to “ON” to change the program pattern 1 to the
program pattern 2.
Set contact input 1 (DI1) and contact input 2 (DI2) to “ON” to select the program pattern 3.
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Switching Operation Mode Using Contact Input
Program operation for the selected program pattern starts when DI5 (contact input 5)
changes from OFF to ON.
Program operation stops when DI6 (contact input 6) changes from OFF to ON. Preset
output value is outputted when the operation stops.
Local-mode operation starts when DI7 (contact input 7) changes from OFF to ON.
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PID
It is possible to use a maximum of eight groups of PID parameters.
Operating Parameters
Function Parameter
Proportional band (P) n.P
Integral time (I) n.I
Derivative time (D) n.D
LP1
LP1
LP1
n.PID
n.PID
n.PID
Cooling-side proportional band (Pc) n.Pc
Cooling-side integral time (Ic) n.Ic
LP1
LP1
n.PID
n.PID
n.Dc LP1 n.PID Cooling-side derivative time (Dc)
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