Operation Manual
    <13. GENERAL SPECIFICATIONS>
13-2
IM 01F06A00-01EN
Weight:
Refer to Section 13.7 “External Dimensions”.
Mounting:
Integral type and Remote type detector: 
 Flange mounting or wafer mounting by 
fl ange adjacent to the pipeline.
Remote type converter: 2 inch pipe mounting.
Electrical Specifi cations
Note*: Pulse output,alarm output and status output use the 
common terminal, therefore these functions are not 
used simultaneously.
Output Signal (): Dual Output (Both Analog 
and Transistor contact output can be obtained 
simultaneously). In this case refer to Section 
3.2 “Piping Precautions” for power supply 
and pulse output wiring.
Analog: 4 to 20 mA DC, 2-wire system.
Transistor Contact Output*:
Open collector, 3-wire system.
Pulse,alarm,status output are selected by 
parameter setting.
Contact rating: 10.5 to 30 V DC, 120 mA DC*
1
Low level: 0 to 2 V DC. (refer to Figure 13.3)
*1:  10.5 to 30V DC, 80mA DC for ATEX Intrinsically Safe 
Approval (/KS2) and IECEx Intrinsically Safe Approval 
(/SS2)
Communication Requirements:
Communication Signal:
BRAIN or HART communication signal 
(superimposed on a 4 to 20 mA DC signal)
Note: HART is a registered trademark of the HART 
Communication Foundation.
Conditions of Communication Line:
Load Resistance:
250 to 600 (including cable resistance).
Refer to Figure 13.2.
Supply Voltage:
16.4 to 42 V DC for digital communications 
BRAIN and HART protocols. (16.4 to 30 V DC 
for intrinsically safe type).
Refer to Figure 13.2. 
BRAIN: 
Space from other Power Line: 15cm or more 
(Parallel wiring should be avoided.)
Communication Distance:
Up to 2 km,when polyethylene insulated 
PVC-sheathed cables (CEV cables) are used.
Communication distance varies depending on 
type of cable used and wiring.
Load Capacitance: 0.22 F or less
Load Inductance: 3.3 mH or less
Input Impedance Communicating Device:
10 k or more at 2.4 kHz.
Selection of HART 5/ HART 7
Output Signal 
Code
-E -J
Ordering
Information
— Specify “5” Specify “7”
HART Protocol
Revision
HART 5 HART 7
Selection
guide
Requirement
for HART 7
functionarlity
NO
YES
Be sure to
confi rm the
protocol 
revision
of the HART
confi guration 
tool
shown in *2.
Other
conditions
Not 
available
to switch to
HART 7
protocol 
after
delivery.
Available to 
switch to HART 
7 protocol after 
delivery by 
userconfi guration.
—
Remarks
*1 *2 *2
*1:  “-E” is HART5 exclusive model and will be terminated. “-J” 
is recommended for HART communication.
*2: HART protocol revision for the device and HART 
confi guration tool HART7 communication is supported 
by FieldMate R2.02 or later.
HART protocol revision and availability
Protocol revision
supported by HART
confi guration tool
57
DY or DYA HART 5 Available Available
DY or DYA HART 7 Not Available Available
Note: Protocol revision supported by HART confi guration tool must 
be the same or higher than that of the digitalYEWFLO.
Functions:
Damping Time Constant:
0 to 99 Sec (63% response time)
Note:  Delay time is 0.5 Sec.
  Analog output circuit time constant is 0.3 Sec.
Pulse Output Function*:
Pulse output is selected from scaled pulse, 
unscaled pulse, frequency (number of pulses 
output per second at 100% of output).
Pulse frequency: Max 10 kHz
Duty cycles: Approx.50% (1:2 to 2:1)
Self-diagnostics and Alarm Output *:
In case alarm (over range output signal, 
EEPROM error, vibration noise, abnormal fl ow 
such as clogging, bubble) occurs, an alarm 
signal is output and indicated.
The alarm signal output goes from close(ON) to 
open(OFF) during alarming.
Analog Output Function:
Analog output is selected from fl owrate and 
temperature value when option code /MV is 
selected.










