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RS-485 of VPD200SM2i can be connected to external equipment such as PT receiver etc.
PC client can send PT commands to the external equipment via the serial port.
When a decoder system instead of PC client is connected to VPD200SM2i, the serial port
and that of the decoder system works in pass-through mode. That is, data from at one port is
delivered to the other port, vice versa
Connecting Sensor and Alarm
Connect sensor and alarm devices to corresponding terminals accordingly.
z
Sensor
Input
z
Relay
Output
Maximum allowable electrical load of relay is shown bellow table.
Drive Power
DC Power
AC Power
Max. Load
Max DC 24V, 1A
Max AC 125V, 0.5A
IN COM
IN 1
IN 2
Sensor 1
Sensor 2
V+
OUT 1
AC or DC
LOAD
Internal
OUT 2
LOAD
OUT COM