RHEONIK RHE21, Installation & Start?Up Manual

Page: 40 / 58

Appendix A: Safety Instructions – Ver. 2.00 40 / 58
A.9 Ordering Code
The following extract of the ordering code shows the information relevant for hazardous areas.
E21-EEPP-SSOO-HHCC-OOO
E21
RHE21
EE Housing Options
E1, E2 = aluminum connection box, fixed RHM cable, ATEX and IECEx only
E3, E4, EP = SS connection box, fixed RHM cable, ATEX and IECEx only
E5 = SS connection box for I/O and RHM cable, ATEX and IECEx only
H1, H2 = no connection box, fixed RHM cable
H3 = connection box for RHM cable
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 1)
I* = up to 3 I/O signals (4-20mA out, digital out, digital in), all IS 2)
All other: up to 8 I/O signals, all non-IS
HH Hazardous areas approvals
ATEX, IECEx:
A1 = II 2(1)G Ex db [ia Ga] IIC T4 Gb RHE21 in zone 1 or 2, (housing H*)
II 2(1)G Ex db eb [ia Ga] IIC T4 Gb RHE21 in zone 1 or 2, (housing E*)
A2 = II 3(1)G Ex db [ia Ga] IIC T4 Gc RHE21 in zone 2, (housing H*)
II 3(1)G Ex db ec [ia Ga] IIC T4 Gc RHE21 in zone 2, (housing E*)
AS = II (1)G [Ex ia Ga] IIC RHE21 in safe area
CSA (USA and Canada)
C1 = class I, Div. 1 / Ex db [ia Ga] IIC T4 Gb RHE21 in zone 1 or 2, Div. 1 or 2
C2 = class I, Div. 2 / Ex nA [ia Ga] IIC T4 Gc RHE21 in zone 2, Div. 2
CS = [Ex ia Ga] IIC RHE21 in safe area
CC Measurement Certifications
OOO Special Options
1) All versions provide one RS485 interface, non-IS
2) Only housing options E*, power supply D1 and only hazardous areas approvals A*
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.