YOKOGAWA UP35A User Manual

8-16
IM 05P02D41-01EN
WhenboththeHeatingSideandCoolingSideareinON/OFFControl:
The following shows the operation example.
50%
ON
ON
Cooling-side hysteresis (HYSc)
Neutral (OFF)
Heating-side hysteresis (HYS)
Positive dead band (DB)
Dead Band (DB)
InHeating/coolingcontrol,thepositivedeadbanddenotesthezonewherenoneofthe
heating-side and cooling-side outputs are presented. The negative dead band denotes
thezonewherebothoftheheating-sideandcooling-sideoutputsarepresented.
00
50
50
0
0
Negative dead band
Cooling-side
output
Cooling-side
output
Heating-side
output
Heating-side
output
Output (%)
100
Output (%)
100
Positive dead band
100(%)
100(%)
Value of control output before split into
heating- and cooling-side outputs
Value of control output before split into
heating- and cooling-side outputs
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
CNT Control type EASY
PID: PID control
ONOF: ON/OFF control (1
point of hysteresis)
ONOF2: ON/OFF control (2
points of hysteresis)
H/C: Heating/cooling control
CTL
HYS
Hysteresis (in ON/OFF
control, or Position
proportional control)
Heating-side ON/OFF
control hysteresis
(in Heating/cooling
control)
EASY
In ON/OFF control: 0.0 to
100.0% of PV input range span
(EUS)
In Heating/cooling control or
Position proportional control:
0.0 to 100.0%
PID
HYSc
Cooling-side ON/OFF
control hysteresis
EASY 0.0 to 100.0%
DB
Output dead band
(in Heating/cooling
control or Position
proportional control)
EASY
In Heating/cooling control:
-100.0 to 50.0%
In Position proportional control:
1.0 to 10.0%
Note1: The PID number (1 to 4, or R) is displayed on Group display while the parameter HYS,
HYSc, or DB is displayed.
8.2SettingControlType(CNT)

YOKOGAWA UP35A Specifications

General

Brand	YOKOGAWA
Model	UP35A
Category	Controller
Language	English