Yokogawa EJA310E - Manual (Page 52)

<9. General Specifications>
9-4
IM 01C25B01-01E
Maximum Over Pressure
EJ310
Capsule Pressure
L, M 500 kPa abs (72 psia)
A 16 MPa abs (2300 psia)
B 25 MPa abs (3600 psia)
EJ430
Capsule Pressure
H, A 16 MPa (2300 psi)
B 25 MPa (3600 psi)*
* 24 MPa for wetted parts material code H, M, T, A, D, and
B.
EJ440
Capsule Pressure
C 48 MPa (6750 psi)
D 75 MPa (10800 psi)*
* 60 MPa (8700 psi) for EJA440E.
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=
F0903.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