VIPER - Safety Relays from IDEM
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VIPER - Safety Relays from IDEM with Added Diagnostics
SAFETY RELAYS WITH ADDED DIAGNOSTICSIDEM’s VIPER SCR-i range of Safety Relays have been designed in accordance with EN60204-1 for safety circuits and they can be used in conjunction with Mechanical Interlock Guard Switches, Emergency Stop Switches, Non Contact Guard Switches or Safety Light Curtains to achieve redundant monitoring and fault checking up to PLe/Cat4 ISO13849-1.When dual circuit monitoring is being used they can check the switch contacts for correct opening and re-closing, monitor for wiring short circuits and can be configured to check for correct opening of external machine contactors. For applications requiring time controlled delay after opening of the guard switch, versions with time delayed output contacts are available (this is variable 0 to 30 seconds).Additional LED diagnostics have been incorporated into the design to show the status of input and output circuits and the reset (feedback) circuit.
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VIPER SCR-21-i Safety Relay with Added Diagnostics
The VIPER SCR-21-i Safety Relay with Added Diagnostics from IDEM is been designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SCR-21-i internal logic uses force guided relays to achieve cross monitoring, this ensures that a single fault does not lead to the loss of the safety function and that all faults are detected at or before the next safety demand.
FEATURES:
* Outputs 2NC contacts and 1NO contact.
* Feedback circuit to monitor external contacts.
* Easy diagnosis of status via visual indication of LEDs.
* Up to PLe, SILCL 3, Category 4.
* Monitored manual or automatic start.
* Single and dual channel operation.
* Output expansion units available to increase number of outputs.
VIPER SCR31-42TD-i Time Delay Safety Relay
The VIPER SCR-31-42TD-i Time Delay Safety Relay with Added Diagnostics from IDEM is designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring.
Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SCR-31-42TD-i internal logic uses force guided relays to achieve cross monitoring, this ensures that a single fault does not lead to the loss of the safety function and that all faults are detected at or before the next safety demand.
FEATURES:
* DELAYED contacts: 4NC and 2NO (0-30 secs.)
* OUTPUT contacts: 3NC 1NO
* Feedback circuit to monitor external contacts - used for reinforcement of contacts.
* Easy diagnosis of status via visual indication of LEDs.
* Up to PLe, SILCL 3, Category 4.
* Monitored manual or automatic start.
* Single and dual channel operation.
* Output expansion units available to increase number of outputs.
VIPER SCR-31-i Safety Relay with Added Diagnostics
The VIPER SCR-31-i Safety Relay with Added Diagnostics from IDEM is designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SCR-31-i internal logic uses force guided relays to achieve cross monitoring, this ensures that a single fault does not lead to the loss of the safety function and that all faults are detected at or before the next safety demand.
FEATURES:
* Outputs 3NC contacts and 1NO contact.
* Feedback circuit to monitor external contacts.
* Easy diagnosis of status via visual indication of LEDs.
* Up to PLe, SILCL 3, Category 4.
* Monitored manual or automatic start.
* Single and dual channel operation.
* Output expansion units available to increase number of outputs.
VIPER SCR-31P-i Safety Relay with Added Diagnostics.
The VIPER SCR-31P-i Safety Relay with Added Diagnostics from IDEM is designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SCR-31P-i is designed to be compatible with devices offering OSSD outputs (e.g. safety light curtains).
FEATURES:
* Outputs 3NC contacts and 1NO contact.
* Feedback circuit to monitor external contacts.
* Easy diagnosis of status via visual indication of LEDs.
* Up to PLe, SILCL 3, Category 4.
* Monitored manual or automatic start.
* Single and dual channel operation.
* Output expansion units available to increase number of outputs.
VIPER SCR-73-i Safety Relay with Added Diagnostics.
The VIPER SCR-73-i Safety Relay with Added Diagnostics from IDEM is designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SCR-73-i internal logic uses force guided relays to achieve cross monitoring, this ensures that a single fault does not lead to the loss of the safety function and that all faults are detected at or before the next safety demand.
FEATURES:
* Outputs 7NC contacts and 3NO contact.
* Feedback circuit to monitor external contacts.
* Easy diagnosis of status via visual indication of LEDs.
* Up to PLe, SILCL 3, Category 4.
* Monitored manual or automatic start.
* Single and dual channel operation.
* Output expansion units available to increase number of outputs.
VIPER SEU-31TD-i Expansion Unit with Time Delay
The VIPER SEU-31TD-i Expansion Unit with Time Delay and Added Diagnostics from IDEM is designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SEU-31TD-i is an expansion unit with the added benefit of Time Delayed contacts. It has been designed to connect to a standard SCR-i relay to offer extra time delayed output contacts to the end user.
FEATURES:
* Delayed contacts: 3NC 1NO (0-30 seconds).
* Feedback circuit to monitor external contacts - used for reinforcement of contacts.
* Easy diagnosis of status via visual indication of LEDs.
* Up to PLd, SILCL 2, Category 3.
* Monitored manual or automatic start.
* Single and dual channel operation.
* Output expansion units available to increase number of outputs.
VIPER SEU-31-i Expansion Unit for SCR-i Range
The VIPER SEU-31-i Expansion Unit with Added Diagnostics from IDEM is designed and manufactured in the UK to meet the latest safety standards and offer enhanced LED diagnostics and simplified wiring. Applications include the monitoring of safety interlock switches (guard door monitoring), emergency stop devices and sensors.
The SEU-31-i is an expansion unit for the VIPER SCR-i range and has been designed to connect to a standard SCR-i relay to offer extra output contacts to the end user.
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