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27HU-B2 Two-wire Universal Signal Temperature Transmitter
Transmitter for Installation inside Junction Box, 27-UNIT Series (Flameproof Explosion-proof, Outdoor Installation Type, Supports HART Communication)
Main Functions and Features
Ultra-high-precision two-wire transmitter supporting HART communication protocol, universal signal input type (thermal resistor, thermocouple, resistor, DC voltage), can be used in SIL2 safety device system, wide applicable temperature range, input and output settings can be changed at any time through handheld setter and PC configuration software, equipped with self-diagnosis function, applicable to a wide variety of thermocouples and thermal resistors, can use user-specified temperature table, equipped with ultra-low temperature drift type (20ppm/℃ typ.), flameproof explosion-proof, stainless steel outdoor installation enclosure can be selected
Model: 27HU－B－①②③④⑤⑥⑦
Specifications at the Time of Ordering
・Model Code: 27HU－B－①②③④⑤⑥⑦
①～⑦ are selected from the following codes.
(For example: 27HU－B－0L1T01/S)
Please use the order form (No: ESU－7652).
When there is no special specification, it will be set according to the factory settings.
When selecting explosion-proof certification code 4, the country of use must be indicated on the order form.
①Explosion-proof Certification
Please confirm the code combination table.
0: None
3: FM Flameproof Type
4: ATEX Flameproof Type
8: TIIS Flameproof Type (Does not meet CE standard)
②Temperature Drift
0: Standard Type (Temperature Coefficient 0.015%/℃)
L: Ultra-low Temperature Drift Type
(Temperature Coefficient 0.002%/℃ (typ.), 0.005%/℃ (max))
③Display
0: No Display
1: Equipped with Display (Does not meet SIL standard)
④Terminal Block
0: None (Output signal is connected to the terminals of the module)
(The non-terminal block type cannot be selected for TIIS flameproof type and when equipped with a display.)
T: Built-in Terminal Block (The built-in terminal block type cannot be selected when there is no display.)
⑤Electrical Wiring Port
Please confirm the code combination table.
0: G 1/2
1: 1/2 NPT
2: M 20×1.5
3: PG 13.5
⑥Installation Parts
0: No Installation Parts
1: Included installation parts
⑦Additional code
Material of the outdoor setting cabinet
Not filled in: Aluminum die - casting
/S: Stainless steel casting (TIIS explosion - proof type cannot be selected)
Related products
・Bell202 modem suitable for USB interface (Model: COP－HU)
Can only be used in safe areas.
・Hand - held setter
・Configuration software (Model: 27HUCFG)
The configuration software can be downloaded from the website of Guangzhou Chengfang Automation Equipment Co., Ltd.
Note) The operation status of this software has been confirmed on Japanese and English versions of the OS.
・Cable connector (Model: BX－E－SXY)
Accessories
■Cable gland (Two are included for the TIIS explosion - proof type)
・Model: BX－E－SXY
・Wiring branch: Pressure - resistant sealed type
・Conduit interface diameter: G 1/2
・Material of main parts
Main unit: Brass with nickel - plated surface
Protective layer: CR
・Cable diameter: ø 8～12
■Installation screws
・4 bolts (M8×15)
・4 spring washers (for M8)
Material: 304 stainless steel
■Installation parts (when specified installation parts are required)
・1 fixing bracket
・2 U - bolts (M10)
・4 nuts (for M10)
・4 spring washers (for M10)
Material: 304 stainless steel
Applicable pipe: 1 1/2～2″
■Unit sticker label (1)
Machine specifications
Protection level: NEMA 4X, IP66/IP67
Wiring port: Refer to "Specifications at the time of ordering".
Connection method:
・Without terminal block and display: Connect with the M3 screw terminals of the converter body
(Fastening torque is 0.5N·m)
・Without terminal block but with a display:
Input signal: Connect with the M3 screw terminals of the converter body
(Fastening torque is 0.5N·m)
Output signal: European - style terminal block (Applicable cable: 0.14～1.5mm2
(AWG26～16), Exposed wire length: 6mm)
・With built - in terminal block and display:
Input signal: Connect to the M3 screw terminal of the converter body
(Tightening torque is 0.5N·m)
Output signal: Connect to the M3 screw terminal of the terminal block
(Tightening torque is 0.5N·m)
Terminal screw material
・Input signal: Brass surface nickel-plated
・Output signal
No terminal block, no display: Brass surface nickel-plated
Built-in terminal block, equipped with a display: Iron surface nickel-plated
Main part material
・Converter housing: Black flame-resistant resin
・Display housing: Black flame-resistant resin
・Housing for outdoor installation
Main body: Aluminum die-casting or SCS14 stainless steel casting
Coating color: Silver (Epoxy coating)
Isolation: Between input - output - housing for outdoor installation
Items that can be set and adjusted
・Type and quantity of input sensors
・Number of wires (for thermal resistors and resistors)
・Input range
・Positive and negative actions (Reverse the input range to achieve reverse action)
・Fuse alarm
・Upper and lower limits of output
・Damping time (Set to 0s at the factory)
・Cold junction compensation (When inputting a thermocouple, you can choose an internal or external sensor)
・Linearization
・HART communication mode
・Sensor input adjustment
・Output adjustment
Please refer to the instruction manual for HART communication settings or the instruction manual for configuration software for detailed content.
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