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Watchdog Relay 

6HBWDOG1 

User Manual 

December 2014 

Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]

Summary of Contents for Watchdog 6HBWDOG1

Page 1: ...1 Watchdog Relay 6HBWDOG1 User Manual December 2014 Buy www ValinOnline com Phone 844 385 3099 Email CustomerService valin com ...

Page 2: ...CHANGE HISTORY Version Date Description R01 9 2013 First Draft Revision R02 11 2013 Added power consumption specification and fixed typos R03 12 2014 Remove pending references Buy www ValinOnline com Phone 844 385 3099 Email CustomerService valin com ...

Page 3: ... Getting Started with Red Lion Controls Hardware 7 2 Assembly and Instruction 8 2 1 Panel Assembly 8 3 DIP Switch Settings 10 3 1 Setting DIP Switches 10 4 Power Requirements 11 5 Module Wiring Screw Terminal Assignments 11 6 Safety Relay Status LED s and Buttons 13 7 Product Support 14 Buy www ValinOnline com Phone 844 385 3099 Email CustomerService valin com ...

Page 4: ...G EXPLOSION HAZARD SUBSTITUTION OF ANY COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I DIVISION 2 3 WARNING EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS 4 WARNING EXPOSURE TO SOME CHEMICALS MAY DEGRADE THE SEALING PROPERTIES OF MATERIALS USED IN THE SEALED RELAY DEVICE 5 FIELD WIRING CONDUCTOR MINIMUM INSULATION RATING 75 C ...

Page 5: ...ch toggles on and off under processor control If the processor malfunctions the heartbeat will cease to toggle and the Heartbeat Watchdog Module will sense this failure and shut down the system by opening the relay powering the system The Heartbeat Watchdog Module is designed for extreme reliability using no microprocessor or other programmable logic elements in its design Using hard wired logic e...

Page 6: ... Polarity Sourcing Input isolation 150 Volts Guaranteed ON voltage 9 VDC Guaranteed OFF voltage 1 0 VDC Guaranteed OFF current 1 0 mA DC Input resistance 24VDC 2 6 Kohms Input current 24 VDC 10 mA Input Protection High Impedance with overvoltage protection Heartbeat Frequency 1 50Hz Heartbeat timeout configurable 1s to 200s 1Hz may not work at fastest heartbeat timeout time of 1 second Output Circ...

Page 7: ...activated after the boot delay time expires 6 Press the bypass button to enable bypass mode Using a pen or a small screw driver press the bypass button on the front of the watchdog relay once The boot bypass LED will illuminate and remain ON until the button is pressed again The bypass mode will activate the form C relay so power will be applied to the PLC instruments connected to the relay 7 Appl...

Page 8: ...ooking the top of the DIN rail mounting bracket on the top of the DIN rail then pressing down See the mounting diagrams below The watchdog relay module is approximately 4 high and 1 wide refer to the Mechanical Dimensions diagram below The screw terminals size is M3 and can support wire sizes of 30 to 12AWG The recommended torque is 5 IN LB Mechanical Dimensions Buy www ValinOnline com Phone 844 3...

Page 9: ...6HBWDOG1 Heartbeat Relay Connect Monitor Control Applying to DIN Rail Removing from DIN Rail Buy www ValinOnline com Phone 844 385 3099 Email CustomerService valin com ...

Page 10: ...signal which indicates proper operation of the system If the Heartbeat input period exceeds this time setting then the Heartbeat Watchdog Module will detect this as a failure of the system Each time setting is assigned to four DIP switches and each group of four switches is divides into two pairs of switches One pair is used to configure a base time and the other pair will configure a multiplier f...

Page 11: ...artbeat Watchdog Module is a pluggable screw terminal block with retaining screws which secure the block to the module The connections on the screw terminals are described in the diagram below IN IN N C COM N O V GND Heartbeat Input Isolated 10 30VDC Heartbeat Signal Input Screws Form C Relay Output Relay will connect N O to COM when Heartbeat signal is valid N C to COM will connect if Heartbeat i...

Page 12: ...vices is below When the heartbeat pulse is present on IN input the product powered by the relay will be powered When the heartbeat pulse stops for the configured heartbeat timeout the optional external lamp will be powered to indicate an alarm state Buy www ValinOnline com Phone 844 385 3099 Email CustomerService valin com ...

Page 13: ...e relay state during the maintenance period Reset Button Pressing this button causes the Heartbeat Watchdog Module to perform a hard reset the same as if the power had been cycled to the module The relay will close followed by the normal boot delay time after which heartbeat input monitoring will begin Power Indicator This indicator will illuminate whenever adequate power is supplied to the Heartb...

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