YOKOGAWA UP55A - Page 331

11-24
IM 05P02C41-01EN
Heater Current Measurement Function
The heater current value can be confirmed by a displayed value on operation display.
► Heater current measured value: 6.1 Monitoring and Control of Operaiotn Displays
The heater break alarm function can be used only for ON/OFF output (relay output), for
time proportional output (relay output, voltage pulse output) or for current output.
Heater current value is detected every 200 ms.
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
HB1.S,
HB2.S
Heater break alarm
function selection
EASY
0: Heater current
measurement
1: Heater break alarm
HBA
HB1,HB2
Heater break alarm
current setpoint
EASY OFF, 0.1 to 300.0 Arms
CT1.T,
CT2.T
CT coil winding number
ratio
EASY 1 to 3300
HDN1,
HDN2
Heater break alarm
On-delay timer
STD
0.00 to 99.59 (minute.second)
HDF1,
HDF2
Heater break alarm
Off-delay timer
PRO
HB1.D,
HB2.D
Heater break alarm
contact type
PRO
CLS: When the event occurs,
the contact is closed.
OPN: When the event occurs,
the contact is opened.
Note1: In cases where the current transformer manufactured by U.R.D Co., Ltd. are used, set the
following value for the CT coil winding number ratio.
CTL-6-S-H: 800
CTL-12L-30: 3000
11.7SettingHeaterBreakAlarm