warning signals
2S
BEx
EUROPEAN SAFETY SYSTEMS LTD
IMPRESS HOUSE
MANSELL ROAD
ACTON
LONDON W3 7QH
WWW.E2S.COM
C
THIS DRAWING AND ANY INFORMATION OR DESCRIPTIVE
MATTER THEREIN IS COMMUNICATED IN CONFIDENCE AND
IS THE COPYRIGHT PROPERTY OF EUROPEAN SAFETY
SYSTEMS LTD. NEITHER THE WHOLE OR ANY EXTRACT MAY
BE DISCLOSED, LOANED, COPIED OR USED FOR
MANUFACTURING OR TENDERING PURPOSES WITHOUT THEIR
WRITTEN CONSENT.
EUROPEAN SAFETY SYSTEMS LTD.
AS PER LATEST DATE OF ISSUE SHOWN ABOVE
DRAWING TO BS8888:2000
GEOMETRIC TOLERANCES TO ISO1101:1983
LINEAR DIMENSIONAL TOLS
ANGULAR DIMENSIONAL TOLS
STANDARDS
MOD No.
REASON - INITIAL - DATE
ISSUE
DATE
APPROVED
CHECKED
DATE
DATE
DRAWN
WEIGHT (Kg)
SURFACE FINISH
MATERIAL
ALTERNATIVE MATERIAL
SHEET
SCALE
TITLE
A3
IF IN DOUBT, ASK -
DO NOT SCALE
ALL DIMENSIONS IN MM
DRAWING NUMBER
A
B
C
D
E
F
G
10
9
G
F
E
7
8
6
5
D
C
1
3
4
2
A
B
D210-06-651
M.ABALOS
R.N.POTTS
OF
NTS 1
1
OPTIONAL LINE MONITORING RESISTOR, CUSTOMER SUPPLIED,
500Ω MIN, 2W MIN OR 3K3Ω MIN, 0.5W MIN
MINIMUM VALUES:
R1
Single Stage Configuration
Config.: 1a
Line Monitoring
Header pins set to negative switching (default)
Stage 1: Apply Power to Stage 1 +ve & Stage 1 -ve
For full 4-Wire SIL 2 Connection Monitor SIL 2 +ve and SIL 2 -ve
Terminals 1 & 2 in RLY1-2
Two or Three Stage Configuration
Config.: 1b
Line Monitoring
Common Positive
Header pins set to negative switching (default)
Stage 1:Apply Power to +ve & -ve
Stage 2: Apply Power to +ve & -ve, Connect Stage 2 to -ve
Stage 3: Apply Power to +ve & -ve, Connect Stage 3 to -ve
For full 4-Wire SIL 2 Connection Monitor SIL 2 +ve and SIL 2 -ve
Terminals 1 & 2 in RLY1-2
Two or Three Stage Configuration
Config.: 2
Line Monitoring
Common Negative
Set header pins to positive switching
Stage 1:Apply Power to +ve & -ve
Stage 2: Apply Power to +ve & -ve, Connect Stage 2 to +ve
Stage 3: Apply Power to +ve & -ve, Connect Stage 3 to +ve
For full 4-Wire SIL 2 Connection Monitor SIL 2 +ve and SIL 2 -ve
Terminals 1 & 2 in RLY1-2
16-01-2023
BExS110D-S & BExS120D-S DC SIL2
SOUNDER WIRING DIAGRAMS
INTRODUCTION
INTRODUCTION
1
MA 16-01-2023
SWITCHES FOR STAGE OPERATION
CUSTOMER SUPPLIED
R.N.POTTS
16-01-2023
16-01-2023
R1
S2
S3
-
+
Stage 1 -ve
Stage 1 +ve
R1
S2
S3
-
+
Stage 1 -ve
Stage 1 +ve
Stage 2
Stage 3
R1
S2
S3
-
+
Stage 1 -ve
Stage 1 +ve
Stage 2
Stage 3
-
+
-
+
-
+
SIL2
SIL 2 +ve IN
SIL 2 -ve OUT
1
2
3
4-WIRE SIL RLY 1-2
SIL2
SIL 2 +ve IN
SIL 2 -ve OUT
1
2
3
4-WIRE SIL RLY 1-2
SIL2
SIL 2 +ve IN
SIL 2 -ve OUT
1
2
3
4-WIRE SIL RLY 1-2
Set to
positive switching
Negative switching
(default)
Negative switching
(default)
