Yokogawa EJX115A User Manual
Page 48
<9. General Specifications>
9-2
IM 01C25K01-01E
Working Pressure Limits (Silicone oil)
Maximum Pressure Limits
All capsules 16 MPa (2300 psi)
Minimum Pressure Limit
See graph below
Atmospheric
pressure
-40
(-40)
0
(32)
40
(104)
80
(176)
120
(248)
1(0.14)
2.7(0.38)
10(1.4)
(psi abs)
100(14.5)
Process temperature °C (°F)
Working
pressure
kPa abs
Applicable range
F0901.ai
Figure 9.1
Working Pressure and Process
Temperature
Supply & Load Requirements “◊” (Optional
features or approval codes may affect
electrical requirements.)
With 24 V DC supply, up to a 550 Ω load can be
used. See graph below.
E-10.5
0.0244
(Ω)
Power supply voltage E (V DC)
600
250
R
10.5
16.6
25.2
42
External
load
resistance
Digital
Communication
range
BRAIN and HART
R=
F0902.ai
Figure 9.2
Relationship Between Power Supply
Voltage and External Load Resistance
Supply Voltage
10.5 to 42 V DC for general use and flameproof
type.
10.5 to 32 V DC for lightning protector (Option
code /A).
10.5 to 30 V DC for intrinsically safe, type n or
non-incendive type.
Minimum voltage limited at 16.6 V DC for digital
communications, BRAIN and HART
Load (Output signal code D, E and J)
0 to 1290 Ω for operation
250 to 600 Ω for digital communication
Communication Requirements “◊”
(Safety approvals may affect electrical
requirements.)
BRAIN
Communication Distance
Up to 2 km (1.25 miles) when using CEV
polyethylene-insulated PVC-sheathed cables.
Communication distance varies depending on
type of cable used.
Load Capacitance
0.22 μF or less
Load Inductance
3.3 mH or less
Input Impedance of communicating device
10 kΩ or more at 2.4 kHz.
HART
Communication Distance
Up to 1.5 km (1 mile) when using multiple
twisted pair cables. Communication distance
varies depending on type of cable used.
EMC Conformity Standards
,
EN61326-1 Class A, Table2 (For use in industrial
locations)
EN61326-2-3