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<2. DO402G Specifications>
2-2
IM 12J05D02-01E
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Serial Communication
Bi-directional according to the EIA-485 standard using HART protocol and PC402 software.
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Logbook
Software record of important events and diagnostic data.
Available through RS-485, with key diagnostic information available in the display.
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Display
Custom liquid crystal display, with a main display of 3 1/2 digits 12.5 mm high. Message display
of 6 alphanumeric characters, 7 mm high.
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Contact outputs
General:
Four (4) SPDT relay contacts with LED indicators. For S1, S2, and S3, the LED is
on when relay is powered.
NOTE: For S4 (FAIL) LED lights when power is removed (Fail safe).
Contact outputs configurable for hysteresis and delay time.
- Capacity :
Maximum values 100 VA, 250 V AC, 5 Amps.
Maximum values 50 Watts, 250 V DC, 5 Amps.
- Status :
High/Low process alarms, selected from process parameters and temperature.
Contact output is also available to signal “Hold Active
Contact S1 to S3
Contact S4
Status
LED
NO
NC
LED
NO
NC
Alarm, FAIL, OFF
On
Closed Open
On
Open Closed
Alarm, FAIL, OFF
Off
Open Closed
Off
Closed Open
Power OFF
Off
Open Closed
Off
Open Closed
Control function:
On/Off
PI pulsed
Proportional duty cycle control with integral term.
PI frequency Proportional frequency control with integral term. In addition wash cleaning
control signal on S3, and FAIL alarm for system and diagnostic errors on S4
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Contact input
When a DO70G is connected, contact input cannot be used.
Voltage-free contact (do not apply voltage)
Wash start or input remote range change (either choice)
On resistance: 10 Ω or less
Off resistance: 100 kΩ or more
On time:
0.5 sec. or more
Note: At the circumstance influenced from noise (e.g. long transmission of contact input), insertion of a relay near DO402G is
recommended for insulating.
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Power supply
Supply voltage rating: 100, 115, 230 VAC
Applicable range:
85 to 115, 97.8 to 132.2, 195.5 to 264.5 VAC
Supply frequency rating:
50 / 60 Hz
Applicable range:
50 Hz ± 5% / 60 Hz ± 5%
Power consumption: Maximum 10 VA for steady operation
9th Edition: Aug. 05, 2015-00
Содержание EXA DO402G
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