CHINT AO,Isolated Barrier(1 channel) with TUV and SIL2
Analogue Output Isolated Barrier, It allows bi-directional transmission of HART communication signals, The product requires independent power supply, power supply, input and output three isolation.
Production parameters
MODEL NO |
CB4067-EX |
Number of channel |
1 input/1 output |
Supply voltage(Ue) |
20~35V DC |
Input signal |
0~20mA;4~20mA;HART |
Output signal |
0~20mA;4~20mA;HART;0~5V;1~5V |
Field apparatus |
2-wire HART transmitter,3-wire transmitter, current source |
Technical data
1. General
Number of channels |
1input/1output |
Dielectric strength |
Between non-intrinsically safe part and intrinsically safe part≥2500VAC,Between power supply part and non-intrinsically safe part≥500VAC |
Output accuracy(20°C) |
0.1%F.S. |
Temperature drift |
0.005%F.S./ºC |
Response time |
Reach 90% of final value in 2ms |
Insulation resistance |
Non-intrinsically safe part and intrinsically safe part≥100MΩ,power supply part and non-intrinsically safe part≥100MΩ |
Electromagnetic compatibility |
According to IEC 61326-1(GB/T 18268) |
EX marking |
[Ex ia Ga]IIC [Ex iaD] |
Weight |
Approx 100g |
Field apparatus |
2-wire Valve Positioner,Electric Converter |
Suitable location |
zone 0;zone 1;zone 2;IIA;IIB;IIC;T4~T6 |
2. Input Data
Input signal |
0~20mA;4~20mA;HART |
Voltage drop |
≤2V |
3. Output Data
Input signal |
0~20mA;4~20mA;HART |
Voltage drop |
≤2V |
4. Power Supply
Supply voltage(Ue) |
20~35V DC |
Power protection |
Reverse protection of power supply |
Current consumption |
≤65mA (at 24Vdc supply,20mA output) |
Power supply mode |
Independent power supply |
Power connecting mode |
Terminal |
5. Housing
Material |
PA |
Degree of protection |
IP20 |
Flammability rating |
UL94/V0 |
Colour |
grey |
6. Product approvals
7. Standard/Specification
NEPSI |
[Ex ia Ga] IIC Comply with standard: GB 3836.1,GB 3836.4,GB 3836.20 [Ex iaD] Comply with standard: GB 12476.1,GB 12476.4 |
8. Safe data
Max. r.m.s. a.c. or d.c. voltage Um |
250V |
Max.output voltage Uo |
28V(7,8,9) |
Max.output current Io |
93mA(7,8,9) |
Max.output power Po |
651mW(7,8,9) |
IIC Max. external inductance Lo |
4.2mH(7,8,9) |
IIC Max. external capacitance Co |
0.083μF(7,8,9) |
IIB Max. external inductance Lo |
12.6mH(7,8,9) |
IIB Max. external capacitance Co |
0.65μF (7,8,9) |
IIA Max. external inductance Lo |
33.6mH(7,8,9) |
IIA Max. external capacitance Co |
2.15μF(7,8,9) |
9. EMC DATA
Electrical fast transient/burst immunity |
According to:IEC 61326-1;Class A |
Surge immunity |
According to:IEC 61326-1;Class B |
Radiated,radio-frequency,electromagnetic field immunity |
According to:IEC 61326-1 |
Electrostatic discharge immunity |
According to:IEC 61326-1;Class B |
Immunity to conducted disturbances, induced by radio-frequency fields |
According to:IEC 61326-1 |
10. Data communication
11. Operating Conditions
Ambient temperature |
-20ºC~+60ºC |
Storage temperature |
-40ºC~+80ºC |
Relative humidity |
10%~90% |
Environmental requirements |
The air should not contain any medium corrupting the coat of chrome,nickel and silver.Moreover,violent quiver and impact or any cause of electromagnetic induction (such as big current or spark,etc.)must be avoided when using |
12. Connection Data
Conductor cross section solid range |
0.5~2.5mm² |
Conductor cross section flexible range |
0.5~2.5mm² |
Conductor cross section AWG min. |
12 |
Conductor cross section AWG max. |
24 |
Stripping length |
8mm |
Screw thread |
M3 |
Connection method |
Screw connection |
Tightening torque min. |
0.5 Nm |
Tightening torque max. |
0.6 Nm |
13. Installation
14. Notes
Utilization restriction |
1. It is not allowed to use HHC (HART hand-held communicator) in hazardous area and safe area at the same time.2. HHC (HART hand-held communicator) used in hazardous area must have an EX certification. |