vacon • 1
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
TABLE OF CONTENTS
Document ID: DPD00891F
Revision release date: 21.10.2019
1. GENERAL ..............................................................................................................3
2. INSTALLATION OF THE OPTAF BOARD ...............................................................11
2.1 OPTAF board layout ......................................................................................................13
2.2 Control board VB00761 layout.......................................................................................13
3. STO AND SS1 SAFETY FUNCTIONS .....................................................................14
3.1 Safe Torque Off (STO) principle.....................................................................................15
3.2 Safe Stop 1 (SS1) principle ............................................................................................17
3.3 Technical details ...........................................................................................................19
3.3.1 Response times.................................................................................................................19
3.3.2 Input voltage levels ...........................................................................................................19
3.3.3 External dark test pulse filtering capability .....................................................................19
3.3.4 External light test pulse filtering capability .....................................................................20
3.3.5 Connections ......................................................................................................................20
3.3.6 Safety-related data according to the standard ................................................................21
3.4 Wiring examples ...........................................................................................................24
3.4.1 Example 1: OPTAF board without reset for Safe Torque Off (STO)..................................24
3.4.2 Example 2: OPTAF board with reset for Safe Torque Off (STO) or EN 60204-1 stop category 0
....................................................................................................................................................25
3.4.3 Example 3: OPTAF board with external safety relay module with or without reset for Safe
Torque Off (STO) or EN 60204-1 stop category 0 .......................................................................26
3.4.4 Example 4: OPTAF board with external time delayed safety relay for Safe Stop 1 (SS1) or EN
60204-1 stop category 1 .............................................................................................................27
3.5 Commissioning..............................................................................................................28
3.5.1 General wiring instructions ..............................................................................................28
3.5.2 Checklist for commissioning the OPTAF board ...............................................................30
3.5.3 Parametrizing the drive for the Safe Torque Off (STO) safety functions .........................31
3.5.4 OPTAF board parameter...................................................................................................32
3.5.5 Parametrizing the drive and the external time delayed safety relay for Safe Stop (SS1) safety
function .......................................................................................................................................32
3.5.6 Testing the Safe Torque Off (STO) or Safe Stop 1 (SS1) safety functions ........................33
3.5.7 Determining the drive STO level.......................................................................................33
3.6 Maintenance..................................................................................................................34
3.6.1 OPTAF-related monitoring values....................................................................................34
3.6.2 Faults related to the Safe Torque Off (STO) or Safe Stop 1 (SS1) safety functions .........34
4. THERMISTOR FUNCTION (ATEX).........................................................................37
4.1 Technical data ...............................................................................................................40
4.1.1 Functional description ......................................................................................................40
4.1.2 Hardware and connections...............................................................................................41
4.2 Commissioning..............................................................................................................43
4.2.1 General wiring instructions ..............................................................................................43