Owner's manual

S351 Control / Timer Relay
Timing Function with Timing Function with
Control Functions
latching trigger momentary trigger
Commutating Relay
Bell cut off timer Reset pulse
Setup
Setup Setup
The function control terminals C and D
The function control terminals, D is The function control terminals, C is
are not connected. The Relay control R
connected to +ve and C is not connected to +ve and D is not
and the timing range T1 and T2 are
connected. The relay control input R is connected. The relay control input R is
also not connected and have no
linked. linked.
function. The POT has no function.
Timing ranges Timing ranges
Operation
Without a link in T1 and T2 is the lower Without a link in T1 and T2 is the lower
Apply a trigger. The relay changes over
range from less than 1 second up to 60 range from less than 1 second up to 60
and the led indicates green. This will
seconds. When T1 and T2 are linked, seconds. When T1 and T2 are linked,
remain until the first trigger is removed
this is the upper range from less than 1 this is the upper range from less than 1
and a second trigger is applied, then
minute up to 60 minutes. minute up to 60 minutes.
the relay will switch back and the led
Operation Operation
indicates red, until the trigger is
Apply a trigger, the led illuminates Apply a trigger, the led illuminates
removed when the led will extinguish.
green, but the relay doesn’t switch. If green, but the relay doesn’t switch. If
the trigger is removed, the led the trigger is removed, the timing
A-stabling Relay
extinguishes and the timing is stopped. continues. When the time period
Setup
If the time period expires while the expires with the trigger removed, then
The function control terminals C and D
trigger is still applied, then the relay the relay switches and the led
are both connect to +ve. The Relay
switches and the led illuminates red. illuminates red. This will remain for 1
control R is not connected and has no
This will remain until the trigger is second, then the relay will switch back
function.
removed. and the led extinguish.
Rate of A-stable.
Without a link in T1 and T2 is the lower
Max time switch Pulse stretching
range from less than 1 second up to 10
Setup Setup
seconds. When T1 and T2 are linked,
The function control terminals, D is The function control terminals, C is
this is the upper range from 3 to 60
connected to +ve and C is not connected to +ve and D is not
seconds.
connected. The relay control input R is connected. The relay control input R is
Operation
not linked. not linked.
Apply a trigger and the relay will a-
Timing ranges as above. Timing ranges as above.
stable. When the relay is switched the
Operation Operation
led illuminates green and when the
Apply a trigger, the led illuminates Apply a trigger, the led illuminates
relay is un-switched, the led
green, and the relay switches. If the green, and the relay switches. If the
illuminates red. When the trigger is
tr ig ge r i s r em ov ed , t he le d trigger is removed, the timing
removed, the relay will stop a-stabling,
extinguishes, the relay switches back continues. When the time period
reset to the un-switched sate and the
and the timing is stopped. If the time expires with the trigger removed, the
led will extinguish.
period expires while the trigger is still relay switches back and the led
applied, then the relay switches back illuminates red for 1 second and then
and the led illuminates red. This will extinguishes.
remain until the trigger is removed.
The trigger terminals, A is a -ve applied to trigger, B is +ve applied to trigger.
Note
This unit requires 12v dc to power it at all times. (10-14v dc).
Note 1
If the input is not removed when the timing has finished in
both momentary trigger modes, then the led will remain
illuminated red and the relay will remain in the state that it
was when the led illuminated red until the trigger is removed.
Contact ratings
The relay is DPCO rated 1Amp @ 12v dc. It must not be
used to switch mains voltages.
MAX MIN
T
R
+ - A B C D
T1
NO NO
RELAY 1 RELAY 2
NC NCCOM COM
T2
LED
12V DC
-VE TRIGGER
Function
Controls
Timing
Range
+VE TRIGGER
Relay
Control
60043 Iss 5 May 07
T. 01744 886600 F. 01744 886607 E. [e-mail] W. www.hoyles.com
Hoyles Electronic Developments Ltd