===== Register value ======

==== ra( deviceno, registerno ) ====

Return the age of a register.

=== Description ===

<code>ra( deviceno, registerno )</code>

This function returns the number of seconds passed since the register was updated.

Each time SetRegister is called, the age is reset to 0 - even if the value written to the register is the same.

=== Parameters ===

| ''deviceno'' | Device number (1 - 40) |
| ''registerno'' | Register number on the device (1 - 150) |

=== Return value ===

Returns the age of the register in seconds (up to 4095, 68 minutes and 15 seconds).

=== Example usage ===

<code>ra(3,14)</code>

Returns the age of register 14 on device 3.

<wrap hi>FIRST AVAILABLE IN FW VERSION 25020101</wrap>