RHEONIK RHE28, Installation & Start?Up Manual

Page: 33 / 43

Appendix A: Safety Instructions – Ver. 1.00 33 / 43
A.9 Ordering Code
The following extract of the ordering code shows the information relevant for hazardous areas.
E28-EEPP-SSOO-HHCC-OOO
E28
RHE28
EE Housing Options
E1 = -20 to +60°C, IP65, Type 4
E2 = -40 to +60°C, IP66, Type 4X
PP Power supply options
D1 = 12 to 24V DC
A1 = 100 to 240V AC
U1 = DC plus AC
SS SW Options
OO I/O Configuration Options
HH Hazardous areas approvals
ATEX, IECEx:
A2 = II 3(1)G Ex nA [ia Ga] IIC T4 Gc RHE28 in zone 2
AB = II 3(1)G Ex nA [ia Ga] IIB T4 Gc As “A2”, but for gas group IIB
AS = II (1)G [Ex ia Ga] IIC RHE28 in safe area
CSA (USA and Canada)
C2 = class I, Div. 2 / Ex nA [ia Ga] IIC T4 Gc RHE28 in zone 2, Div. 2
CB = class I, Div. 2 / Ex nA [ia Ga] IIB T4 Gc As “C2”, but for gas group IIB
CS = [Ex ia Ga] IIC RHE28 in safe area
CC Measurement Certifications
OOO Special Options
Not all combinations are possible. For available combinations see instructions.
Where no versions for the place holders are specified, these parameters are not relevant for the
Ex certification.
Where versions are specified (e. g. for “PP Power Supply Options”: D1, A1 etc.), versions not listed
here are not available with Ex certification.
For the complete ordering code refer to the respective datasheets.