47
Setting the water temperature using analog signal input
Select the analog input format
• When the water temperature setting input signal type is set to 0 (4-20 mA)
• External analog input signal of between 5.9 and 18.3 mA: the preset temperature will be linearly interpolated.
• When the water temperature setting input signal type is set to 1 (0-10 V)
• External analog input signal of between 1.0 and 9.1 V: the preset temperature will be linearly interpolated.
• When the water temperature setting input signal type is set to 2 (1-5 V)
• External analog input signal of between 1.5 and 4.5 V: the preset temperature will be linearly interpolated.
• When the water temperature setting input signal type is set to 3 (2-10 V)
• External analog input signal of between 2.9 and 9.1 V: the preset temperature will be linearly interpolated.
temp B 90ºC
temp A 40ºC
5.9 mA
Input current
18.3 mA
Preset temperature = (B - A) * (Input current - 5.9 mA) / 12.4 mA + A
Change of 0.12 mA or less is not recognized.
temp B 90ºC
temp A 40ºC
1.0 V
Input voltage
9.1 V
Preset temperature = (B - A) * (Input voltage - 1.0 V) / 8.1 V + A
Change of 59 mV or less is not recognized.
temp B 90ºC
temp A 40ºC
1.5 V
Input voltage
4.5 V
Preset temperature = (B - A) * (Input voltage - 1.5 V) / 3.0 V + A
Change of 29 mV or less is not recognized.
temp B 90ºC
temp A 40ºC
2.9 V
Input voltage
9.1 V
Preset temperature = (B - A) * (Input voltage - 2.9 V) / 6.2 V + A
Change of 59 mV or less is not recognized.
WT08219X05.book 47 ページ ２０１８年１０月１日 月曜日 午後７時４７分
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