Estimated Lead Time : 4-6 Weeks
Manufacturer : Pepperl+Fuchs
AS-Interface Safety Monitor VAS-4A16L-K31
Certified up to SIL 3 according to IEC 61508 and EN 62061 and up to PLe according to EN 13849
Stainless steel housing
LC display for slave addresses and error messages
Configuration and commissioning with configuration software
2 safe output relays and 2 safe electronic outputs
2 AS-Interface networks
Memory card for configuration data
Safety Monitor, 16 decentralized output circuits
General specifications
AS-Interface specification : V3.0
PLC-Functionality : none
Duplicate address detection : from AS-Interface slaves
Earth fault detection : integrated
EMC monitoring : integrated
Diagnostics function : Extended function via display
Switch-on delay : < 10 s
Response delay : < 40 ms
UL File Number : E223772 only from low voltage, limited energy source (SELV or PELV) or listed Class 2 source
Functional safety related parameters
Safety Integrity Level (SIL) : SIL 3
Performance level (PL) : PL e
MTTFd : 200 a
B10d : 2 E+7
Indicators/operating means
Display : Illuminated graphical LC display for addressing and error messages
LED FAULT : Error display; red LED
red: Communication error
red flashing: release circuit error
LED POWER : voltage ON; LED green
LED U AS-i 1 / U AS-i 2 : AS-Interface voltage - circuit 1/circuit 2; green LED
LED ready : off: -
constantly lit: startup/restart lock active
flashing: external test required
LED AUX : ext. auxiliary voltage UAUX ; LED green
LED EDM/Start : External device monitoring circuit inputs closed, 4x yellow LEDs
LED output circuit : Output circuit closed; 4 x green LEDs
Button : 4
Electrical specifications
Insulation voltage : = 500 V
Rated operating voltage : 26.5 ... 31.6 V from AS-Interface;
24 V DC
Rated operating current : = 200 mA from 24 VDC
= 45 mA from AS-Interface
Interface
Interface type : RS 232, serial
Transfer rate : 19.6 kbaud, no parity, 1 start bit, 1 stop bit, 8 data bits
Interface 2
Interface type : Chip card slot
Input
Number/Type : 4 EDM/Start inputs:
EDM: Inputs for the external device monitoring circuits
Start: start inputs:
Static switching current 4 mA at 24 V, dynamic 30 mA at 24 V (T=100 µs)
Output
Safety output : Output circuits 1 and 2: 2 potential-free contacts,
max. contact load:
3 ADC-13 at 30 VDC,
3 AAC-15 at 30 VAC
Output circuits 3 and 4: 2 PNP transistor outputs
max. contact load:
0.5 ADC-13 at 30 VDC
Connection
AS-Interface : spring terminals, removable
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU : EN 62026-2:2013 EN 61000-6-2:2005, EN 61000-6-4:2007
Standard conformity
Electromagnetic compatibility : EN 61000-6-2:2005, EN 61000-6-4:2007
Degree of protection : EN 60529:2000
AS-Interface : EN 62026-2:2013
Standards : EN 61000-6-2:2005, EN 61000-6-4:2007 EN 954-1:1996 (up to Kategorie 4), IEC 61508:2001 and EN 62061:2005 (up to SIL3) EN 13849:2008 (PL e)
Approvals and certificates
UL approval : An isolated source with a secondary open circuit voltage of = 30 VDC with a 3 A maximum over current protection. Over current protection is not required when a Class 2 source is employed.
UL mark does not provide UL certification for any functional safety rating or aspects of the device.
Ambient conditions
Ambient temperature : 0 ... 55 °C (32 ... 131 °F)
Storage temperature : -25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
Degree of protection : IP20
Material
Housing : Stainless steel
Mass : 800 g
Construction type : Low profile housing , Stainless steel
Shipping Weight : 2 Kg
