KROHNE H250 M40 Safety V1 EN - Manual (Page 18)

8
ANNEX
18
H250 M40
www.krohne.com 02/2012 - 4000904201 MA H250 M40 SIL R01 en
Annex
8.1 Annex 1
Constricted Description Code for H250/M40 Functional Safety Equipment acc. to EN 61508 Constricted Description Code for H250/M40 Functional Safety Equipment acc. to EN 61508 Constricted Description Code for H250/M40 Functional Safety Equipment acc. to EN 61508 Constricted Description Code for H250/M40 Functional Safety Equipment acc. to EN 61508
The description code for H250/M40 consists of the following elements 1
* positions which are not needed are omitted (no blank positions)
1 Device type
H250 - standard version
2 Materials / versions
RR - Stainless Steel
HC - Hastelloy
Ti - Titanium
F - aseptic version (food)
3 Series of indicators
M40 - Indicator M40
M40S - Indicator with added impact and corrosion protection
M40R - Indicator in Stainless Steel housing
4 High temperature version
HT - Version with HT extension
5 Electrical signal output
ESK - current output ESK4
6 Limit switch
K1 - One limit switch
K2 - Two limit switches
7 Explosion protection
Ex - Explosion-protected equipment
8 SIL compliance
SK - SIL2 compliant limit switches acc. to IEC 61508
SE - SIL1 compliant current output acc. to IEC 61508
MA_H250_M40_SIL2_R01_en_904201_PRT.book Page 18 Thursday, March 1, 2012 10:08 AM