Wiring
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3-17
Surveyor MKII HD Network Dome
Since dry contact switches are normally defined in terms of their inactive or
“normal” state, the following holds true:
NORMALLY CLOSED (NC) = ACTIVE HIGH (OPEN)
NORMALLY OPEN (NO) = ACTIVE LOW (CLOSED)
The “active” state can be programmed through the Surveyor MKII web
browser interface. These signals are connected to terminal block J11. Alarm
signals can be programmed for their status (enabled/disabled), active level
definition (high/low), action/reset function (none, preset, aux on, aux off or
tour), acknowledgment mode (automatic, momentary or manual) and report
status (active/inactive). Refer to Web Browser manual for details, as needed.
The relay output is an actual relay output dry contact, which directly drives
external devices (1.5 A @30 VDC max). For example, a light can be turned
on and off when the relay output is connected to the light circuit. Refer to
figure below. The relay output contact can be programmed for its power-on
state definition (on/off) and output type definition (momentary or latching).
There is one relay output dry contact located on terminal block J12. Connect
the circuit to be switched to the connector pins labeled RELAY C (relay
common) and RELAY NC or RELAY NO for a normally closed or normally
open connection, respectively.
To Dome
To Dome
