17
Alarm Energized/Deenergized: Alarm (EVT) output Energized/Deenergized can be selected.
Alarm Energized
Alarm Deenergized
Red (EVT) LED
Lights
Lights
EVT output
ON
OFF
Alarm HOLD function: Once the alarm is activated, alarm output is held until the power is
turned off.
•
Loop break alarm output
[Loop break alarm, Alarm and Heater burnout alarm (option) utilize common output terminals.]
Detects heater burnout, sensor burnout and actuator trouble.
Setting range: Loop break alarm action time setting: 0 to 200 minutes
Loop break alarm action span setting
Thermocouple, RTD input: 0 to 150 ( ) or 0.0 to 150.0 ( )
DC voltage, current input : 0 to 1500
(The placement of the decimal point follows the selection)
Output: Open collector, Control capacity, 24V DC
0.1A (Max.)
Converter function
: See “6. Converter function”
Insulation • Dielectric strength
: Circuit insulation configuration
Insulation resistance: 10M
or more, at 500V DC
Dielectric strength : 1.5kV AC for 1 minute between input terminal and power terminal
1.5kV AC for 1 minute between output terminal and power terminal
Power consumption
: Approx. 6VA
Ambient temperature
: 0 to 50
Ambient humidity
: 35 to 85%RH (no condensation)
Weight
: Approx.120
g
External dimensions
: 22.5 x 75 x 100mm (W x H x D)
Material
: Flame-resistant resin (Case)
Color
: Ash gray (Case)
Attached functions
[Set value lock]
[Sensor correction]
[Power failure countermeasure]
The setting data is backed up in non-volatile IC memory.
[Self diagnosis]
The CPU is monitored by a watchdog timer, and when an abnormal status is found on the CPU,
the controller is switched to warm-up status with all outputs turned off.
[Automatic cold junction temperature compensation] (Only thermocouple input)
This detects the temperature at the connection terminal between the thermocouple and the
instrument and always maintains it on the same status as when the reference junction is located
at 0
(32 ).
[Warm-up indication]
After the power supply to the instrument is turned on, the sensor input characters and
temperature unit are indicated on the PV display and input range high limit value is indicated
on the SV display for 3 seconds.
For DC current, voltage input, the scaling high limit value is indicated.
[Burnout]
When the thermocouple or RTD input is burnt out, OUT is turned OFF and PV display flashes
“
” (for DC current output type, OUT low limit value).
EVT
CT input
Input
CPU
Insulated
Power supply
OUT
5
4
3
9
8
1
2
7
6
Communication
When OUT is non-contact
voltage output or DC current
output, OUT is not insulated
from Communication.
