YOKOGAWA YTA610 - Page 68

  <7.GeneralSpecications>
7-9
IM 01C50G01-01EN
 Normal Operating Condition
(Optional features or approval codes may affect
limits.)
Ambient Temperature Limits
–40 to 85°C (–40 to 185°F)
–30 to 80°C (–22 to 176°F) (with indicator
model)
Ambient Humidity Limits
0 to 100% RH at 40°C (104°F)
Supply Voltage Requirements
HART Type
10.5 to 42 V DC for general use and
ameproof type
10.5 to 32 V DC for lightning protector
(option code /A)
10.5 to 30 V DC for intrinsically safe and
non-incendive type
Minimum voltage limited at 16.6 V DC for
digital communications HART
With 24 V DC supply, up to a 550Ω load can
be used. See graph below.
E-10.5
0.0244
(Ω)
Power supply voltage E (V)
600
250
R
10.5 16.6
25.2 42
External
load
resistance
Digital
Communication
range
HART
R=
F0702.ai
Figure 7.2 Relationship Between Power Supply
Voltage and External Load Resistance
Fieldbus Type
9 to 32V DC for general use, ameproof
type, and non-incendive type
9 to 30 V DC for intrinsically safe type
9 to 17.5 V DC for FISCO eld device
Communication Requirements
Supply Voltage: 9 to 32 V DC
Current Draw:
Steady state: 15 mA (max)
Software download state: 24 mA (max)
Load Requirements (HART Type)
0 to 1290Ω for operation
250 to 600Ω for digital communication
PhysicalSpecications
Enclosure
Material & Coating
• Low copper cast aluminum alloy
[for aluminum housing]
Urethane-cured polyester powder coating
Mint-green paint (Munsell 5.6BG 3.3/2.9
or its equivalent)
[for option code /P or /X2]
Epoxy and polyurethane resin solvent
coating
• ASTM CF-8M Stainless steel
Degrees of Protection
IP66/IP67, TYPE 4X
Name plate and tag
316 SST
Mounting
Optional mounting brackets can be used
either for two-inch pipe or at panel
mounting.
Terminal Screws
M4 screws
Integral Indicator (with indicator model)
5-digit numerical display, 6-digit unit display and
bar graph.
Local Parameter Setting (with indicator model)
Parameter conguration by the push button
offers easy and quick setup for parameters.
Accessible parameters are different with each
output cord.
Weight
Alminum housing:
1.3 kg (2.9 lb) without integral indicator and
mounting
Integral indicator: 0.2 kg (0.4 lb)
Bracket for horizontal pipe: 0.3 kg
Bracket for vertical pipe: 1.0 kg
Stainless housing:
3.1 kg (6.8 lb) without integral indicator and
mounting
Integral indicator: 0.3 kg (0.7 lb)
Connections
Refer to “Model and Sufx Codes.”