Owner's manual

Table Of Contents
4.2 SECS Messages
The following subsections describe the SECS messages sent or understood by the Equipment.
4.2.1 S1F1 - Are You There
S1F1 W. * H<->E
The Host may send this message to the Equipment at any time.
The Equipment sends this message periodically as a “heartbeat” to determine if the SECS link is
operational.
The equipment constant ConfigConnect can be set to cause the Equipment to send S1F1 instead of S1F13
for Connect Request.
4.2.2 S1F2 - On Line Data (Equipment to Host)
S1F2 * H<-E
<L
<A MDLN> * MDLN Model Number
<A SOFTREV> * SOFTREV Software Revision
> .
The Equipment reports its Model Number and Software Revision.
4.2.3 S1F2 - On Line Data (Host to Equipment)
S1F2 * H->E
<L> .
4-4 Equipment-to-Host Messages