Relay Outputs - HID Mercury MR16out-S3 Installations And Specifications

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2.3 Inputs for cabinet tamper/power fault
Input CT and input BA are used for monitoring cabinet tamper and power failure with normally closed contacts. These
two inputs are for contact closure monitoring only, and do not use EOL resistor(s). If these inputs are not used, install a
short piece of wire at the input to indicate a safe condition.

2.4 Relay outputs

The following diagram shows typical use of the relay. Transient clamping must be provided to protect the contacts and to
reduce EMI emission. Use sufficiently large wires for the load current to avoid voltage loss.
Diode selection
Diode current rating > 1x strike current.
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Diode break down voltage: 4x strike voltage.
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For 12 V DC or 24 V DC strike, diode 1N4002 (100V/1A) typical.
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PLT-05251, A.2 7
HID® Mercury™ MR16out-S3 Processor
Installation and Specifications
August 2022