SAFE-AID TS350 WIRED WIND SPEED METER MANUAL - VERSION 1
Page 5
CONNECTING
RELAY
OUTPUTS
The TS350 display unit has provision for wiring up external lights and/or siren using the two
relays mounted on the display board.
Relay 1
-
equal to or exceeding the intermediate limit
Relay 2
-
equal to or exceeding the upper limit
To set up the relevant limits see Windspeed & Unit Setup.
The contact block is situated inside the display unit on the board and the contacts utilsed are
as follows:
RELAY 1 (Intermediate limit)
NC1 – Normally Closed Contact
COM – Common
NO1 – Normally Open Contact
RELAY 2 (Upper limit)
NC2 – Normally Closed Contact
COM – Common
NO2 – Normally Open Contact
TOOLS REQUIRED:
1 x 2.5mm Hex Head Allen key
1 x 2mm Flat Head Screwdriver
PROCEDURE:
Connection can be done to both outputs (intermediate and upper) or individually as required.
1. Open the display box as per the Display Board Power connector wiring.
2. Replace M12 blank-off(s) in back plate with M12 gland(s) as required for output wiring.
3. Establish the relay output required by the device – Maximum 10A @ 250VAC or 10A
@ 28VDC.
4. Connect the required output to the common on the contact block – Preferably use a
separate supply but if low power (less than 2 Amps) or ground feed is required connect
a wire directly from the supply or ground into the Common on the relevant relay.
5. Common signal will now be directed through the relevant relay as follows:
Normally Open (NO)
-
Error will close contact
Normally Closed (NC)
-
Error will open contact