Ürün Açıklaması
İşlevsel iyileştirme için isteğe bağlı modül yuvalarına sahip SB4 serisi güvenlik kontrol ünitesi
General specifications
Operating modeStart/restart disable, relay monitor,
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Performance level (PL)PL e
CategoryCat. 4
Mission Time (TM)20 a
PFHdsee instruction manuals
B10dsee instruction manuals
Type4
Indicators/operating means
Diagnostics indicator7-segment display
Function indicatorLED red: OSSD OFF
LED green: OSSD ON
Yellow LED: start readiness channel 1 – 4
LED yellow: switching state (receiver)
Stability alarm indicatorLED yellow flashing: Indicator lamp channel 1 … 4
Electrical specifications
Operating voltage24 V DC, ± 20 %
No-load supply currentmax. 500 mA
Protection classno identification ; see instruction manuals
Power dissipationIf additional modules are used, max. 50 W
Input
Activation currentapprox. 7 mA
Activation time0.4 … 1.2 s
Test inputReset-input for system test
Output
Safety output2 relay outputs, force-guided NO-contact
Signal outputOutput for displaying the switching state of the OSSDs
Switching voltage10 V … 250 V AC/DC
Switching currentmin. 10 mA , max. 6 A AC/DC
Switching powerDC: max. 24 VA
AC: max. 230 VA
Response time30 ms
Conformity
Functional safetyISO 13849-1 ; EN 61508 part1-4
Product standardEN 61496-1
Approvals and certificates
CE conformityCE
UKCA conformityUKCA
UL approvalcULus
TÜV approvalTÜV
Ambient conditions
Ambient temperature0 … 50 °C (32 … 122 °F)
Storage temperature-20 … 70 °C (-4 … 158 °F)
Relative humiditymax. 95 %, not condensing
Shock resistancesee instruction manuals
Vibration resistancesee instruction manuals
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals , lead cross section 0.2 … 2 mm2
Material
HousingPolyamide (PA)
Mass470 g
