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> Lot (21) wherenet wherecall TFF1600-00AA transmitters
Lot (21) wherenet wherecall TFF1600-00AA transmitters
The WhereCall II is a wireless messaging device that is capable of transmitting simple
messages to the WhereNet RTLS Infrastructure. These messages can range from a call for
parts for line side material replenishment to a request for supervisor assistance. There are two
modes of operation, Button and Switch.
In button mode the WhereCall II can be used for parts call and other replenishment operations.
In this mode, the operator presses the button to send the request message. The display on the
WhereCall II will flash the word "CALL" for one minute and then start to count up in minutes
since the call was made. This lets the operator easily verify how long it has been since they
In switch mode, the display toggles between "ON" and OFF". The normal starting state is
"OFF". If the operator presses the button, then the WhereCall will send a message signaling
the change in state and the display will change to "ON". The next button press will cause a
new message to be sent signaling the change of state and the display will switch back to
These messages are displayed on the WhereCall II's LCD display. The display has large characters
so that it can be read from distances up to 10 feet away. The sturdy push button is
recessed to prevent accidental presses.
A variant of WhereCall II, the WhereCall II PLC, provides for automated call requests by
replacing the call button with a sealed connector that can be interfaced to intelligent shop floor
The WhereCall II provides long battery life, typically in excess of 5 years. Additionally, the
batteries are replaceable providing a long product life.
