1. ZPL II, ZBI 2, Set-Get-Do, Mirror, WML Programming Guide
  2. SGD Command Reference
  3. mqtt.conn[1|2].ping_interval
  • ZPL II, ZBI 2, Set-Get-Do, Mirror, WML Programming Guide
mqtt.conn[1|2].ping_interval

mqtt.conn[1|2].ping_interval

This command specifies how often connection 1 or 2 sends a ping to the MQTT broker to keep the connection open. This value is in seconds. If the MQTT broker does not receive a ping request within this interval, the broker will disconnect from the client.

Setvar

To set the ping interval for connection 1 or 2:
! U1 setvar "mqtt.conn1.ping_interval" "value"
! U1 setvar "mqtt.conn2.ping_interval" "value"
Value
A numeric value between
"1"
 and
"300"
 seconds.
Default
"30"
 seconds

Getvar

To have the printer return the current ping interval for connection 1 or 2:
! U1 getvar "mqtt.conn1.ping_interval"
! U1 getvar "mqtt.conn2.ping_interval"
The printer returns a numeric value between
"1"
 and
"300"
 seconds.