PEPL PYROTECH ELECTRONICS PVT. LTD.,UDAIPUR,RAJASTHAN

INPUT/OUTPUT

Input

Sequence cycle ON contact.

Output

One relay c/o contact for each channel.

Contact rating

6A at 230VAC.

DISPLAY

Display

(A) Set time/balance time on 7 segment display.

(B) Channel on/off/bypass indication by LED.

Size of digit

0.5”(12.5mm).

BI colour LEDs

Separate bi colour LED for on/off/ch. Bypass indication.

(A) On duration – Green

(B) Off duration – Red

Red colour LEDs

5mm size for prg/run mode, unit(hr.,min.,sec.,msec.),

On, off, cycle time status indication.

MODE OF OPERATION

On duration units

msec./sec./min.selectable through front key common For all channel.

Off duration

Sec./min. selectable through front key common for All channel.

Cycle time (at end of Each cycle) unit

Min./hr. selectable through front key.

Cycle time duration

settable by key.

Max. no. of channels

On duration

Settable individually for each channel.

Off duration

Settable individually for each channel.

Channel bypass

Settable individually for each channel.

GENERAL SPECIFICATION

Accuracy

(A) Sec. delays

(B) Min. delays

±0.5% of range

No. of channel

1-24 nos. factory set.

Max. no.of operational

Settable through front key.

Ch. Ranges.

(A) On time duration

(B) Off time duration

1-999 msec. or 1-999 sec. or 1-9 min.

1-999 sec. or 1-99 min.

1-999 min. or 0-9 hrs.

(Other ranges are available on request.)

INSTALLATION

Power supply

(A) 110 VAC±10% , 50Hz

(B) 230 VAC±10% ,50Hz

Operating Ambient

-Temperature

0-55 °C

-Humidity

5 –95 % RH.(Non condensing).

Storage temp.

0 to 60°C

Mounting

Field Mounted .

Housing

High impact ABS

Terminals

Suitable for conductors upto 1.5mmsq. wire only.

Protection Class

IP-55 .

Cable entry

4/6 cable gland size ½”.

SPECIAL FEATURES

	Optical isolation between input & output.
	“Bypass” message flash on 7 Segment when all channels are bypass.
	“RLY OPEN” flashing indication after current channel if initiated contact opens.
	Err/data err message is displayed for a short while if the data selected through the front key does not suit as per unit selected or vice versa.
	New data selected through front key are implemented at the beginning of new cycle or if reset key pressed.
	Reset key provided if user wants the cycle to restart from beginning.
	Key lock provision to avoid programmed data tempering.
	On power OFF , on/off status , balance time left and channel number are saved.
	During run mode , run mode LED flashes to indicate healthy functioning of system.
	A set of seven keys , six for programming and one for resetting function .
	If the system is in pause time period during power off state then at power on system sequence starts from the beginning.

SEQUENCE TIMER (MICRO CONTROLLER BASED)