Function Diagram; Indicators; Circuit Diagrams; Approvals And Markings - Dold SAFEMASTER BH 5903 Datenblatt Und Betriebsanleitung

Sicherheitstechnik
SAFEMASTER
Emergency Stop Module With Voltage Failure Detection
BH 5903, BL 5903
BH 5903.03

Function Diagram

Indicators

Upper yellow LEDs
run 1, run 2:
Lower green LEDs
K1, K2:

Circuit Diagrams

S11 S13
A1
S12 S14 13
(+)
S11
S12
13 23 33
A1(+)
S13
S14
K1
K2
S41
A2
S42
14 24 34
S43
S44
A2 S41 14
S42
BH 5903.03
All technical data in this list relate to the state at the moment of edition. We reserve the right for
technical improvements and changes at any time.
BL 5903
On when unit works correct,
fault signal via flashing code
On when K1, K2 energized
23 33
24 34
M7871_a
S44 S43
• According to
- Performance Level (PL) e and category 4 to EN ISO 13849-1
- SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
- Safety Integrity Level (SIL 3) to IEC/EN 61508
• E-stop with latching function
• Automatic start when voltage returns after phase failure
when no E-Stop was operated before phase failure.
• Reset after E-stop with push button
• Output max. 3 NO contacts, see contacts
• B_ 5903._ _ /00000: 1 E-stop loop 2-channel operated
• B_ 5903._ _ /00020: 2 E-stop loops single channel operated
• Cross fault monitoring
• Feedback loop for external contact reinforcement
• Short circuit and broken wire detection on all inputs
• LED indication for channel 1 and 2 and for diagnostics
• Removable terminal strips
• Wire connection: also 2 x 1.5 mm
DIN 46228-1/-2/-3/-4 or
• 2 x 2.5 mm stranded ferruled DIN 46228-1/-2/-3
2
• BH 5903: width 45 mm
BL 5903: width 90 mm

Approvals and Markings

* see variants

Applications

• For plants, that should start automatically at return of voltage after phase
failure. E.g. Compressor plants, water and sewage water plants.
S11 S13
A1
S12 S14 13
(+)
S11
S12
13 23 31
A1(+)
S13
S14
K1
K2
S41
A2
S42
14 24 32
S43
S44
A2 S41 14
S42
BH 5903.22
13
stranded ferruled (isolated),
2
*
Canada / USA
23 31
24 32
M7872_a
S44 S43
BH 5903, BL 5903 / 26.01.21 en / 297A