Certificates
ATEX certificate BVS 08 ATEX E 082 X + 4. Supplement
II 2 (1) G Ex ib[ia] IIC T4
IECEx certificate BVS 14.0073X
Ex ib [ia Ga] IIC T4 Gb
Functional Safety (SIL)
SIL 2 according to EN 61508
Safety data according to ATEX for intrinsically safe circuits
Power supply - Ex ib IIC (terminals 1 and 4)
Ui Voltage: 28 V DC
Ii Current: 95 mA
Pi Power: 655 mW
Ci Effective inner capacity 26 nF
Li Effective inner inductivity negliable
Thermocouple inputs - Ex ia IIC and Ex ib IIC (terminals 5 and 8, 9 and 12)
Uo Voltage 1 V DC
Io Current 1.8 mA
Po Power 0.5 mW
Co Permissible outer capacity  10pF
Lo Permissible outer inductivity   100mH
Input signal (terminals 5 and 8, 9 and 12)
Thermocouple: NiCr-Ni 0 ... 400°C
Cold-junction compensation: -10 to +70°C
Output signal (terminals 1 and 4)
Io Current: 4 …20 mA
Io Maximum current: < 24 mA
Io Behavior by defect (NE 43): 3.6 mA
Status indicator:
Green LED: luminosity corresponds to 4 ... 20 mA
Behavior by defect: dark
Snap in TBUS-Connector àturn housingà device installed

General data
Signal pass-through time
Without 50/60 Hz Butterworth filter: 3 ms
With 50/60 Hz Butterworth filter: 38 ms
Transmission error
Typical: <0.1 % (of final value)
Maximum:<0.2% (of final value)
Temperature coefficient
Typical: <0.05% /10 K
Maximum:<0.1% /10 K
Cold-junction compensation error
 Temperature range  <0.5 °C
0°C to +50°C
Temperature range  <1.0 °C
-10°C to +70°C
 Linearization error
Typical: <0.1 °C Maximum: <0.2 °C
Electric Isolation
Tested according norms & rules EN 60079-11:
Electromagnetic compatibility
Tested according norms & rules EN 61326-3-2
Current loop supply
Voltage range:   12.5 … 28 V
Current range: >3.5 … <24 mA
Power dissipation
Minimum  50 mW
(12.5 V x 4 mA):
Maximum 560 mW
(28 V x 20 mA):
Ambient temperature
Operation: -10 to +70 °C
Storage/transport: -20 to +80 °C
Humidity
Permissible operation humidity (no condensation) -10 ... 95 %
Housing
Material: Polyamide
Color: light grey
Degree of protection IP20
Width x length x height (with  22.5 x 115 x 108 mm connection terminal blocks)
Inflammability dass VO
according to UL 94
Housing type for mounting 35 mm DIN rails
Weight with terminal blocks   approx. 200 g

Connection data
Solid:          0.2 / 2.5mm2
 (minimum/maximum)
Stranded:  0.2 / 2.5mm2
(minimum/maximum)
 AWG:        24/14kcmil
 (minimum/maximum)
Stripping length 7 mm
Connection method Plugable screw connection
Tightening torque 0.5 … 0.6 Nm
Installation
Safe area: Install the device in a clean and dry environment.
Ex area (zone 1 or 2): Install the device in a suitable housing with a minimum of IP54 degree of protection.