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TIMER KEYBOARD BASED KTM-XX8 Series

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TIMER KEYBOARD BASED KTM-XX8 Series Specification

Theory
Electronic Timer, Digital Control

Temperature Range
-10C to 50C

Power Supply
220V AC or Battery

Data Capacity
Up to 100 Events

Alarm
Buzzer

Type
Keyboard Based Timer

Display Type
7-Segment LED

Memory
Non-Volatile Storage

Accuracy
0.01%

Size
120 x 100 x 60 mm

Resolution
1 second

Battery
Rechargeable Lithium Battery

Net Weight
350 grams

Standby Time
Up to 48 hours

Interface
Digital Keypad

Measuring Range
1 second to 999 hours

Includes
Main Unit, Manual

About TIMER KEYBOARD BASED KTM-XX8 Series

KTM-XX8 Series

Features

Low cost, Effective, Easy to use Keyboard based Digital timer

4-Digits, Dual Row Display [Upper 3-Digit: Run time & Lower 3-Digit: Set time]

Programmable ON Delay/Interval/Cyclic/Forward-Reverse mode [with Hold time]

Programmable total time in Forward-Reverse mode

Programmable Front Reset

Programmable Output 2 functions : Auxiliary contact/End of cycle/Instant contact

Multiple Time Range: From 0.01 Sec. to 999 Hrs.

Time Setting via keyboard

Configuration at power on (To prevent unauthorized tampering)

Available in 5 Standard DIN sizes

Programmable timer start modes to suit various applications

Programmable No. of cycle in Cyclic mode

Programmable Up/Down counting

Programmable Auto Reset/Latch Output

Programmable Memory Backup

High Accuracy: 0.05% of Full scale (Repeat Accuracy: 0.01%)

Time base selection via keyboard

Independent time base for both cycles in Cyclic mode

Universal supply voltage ranges from 90 To 270 VAC

Specification

KTM-8D
Series		Economical keyboard Counter
Display	Type	7 segment LED
	No. of Digits	4 Digits, Single Row
	LED Indication	Output Status ; Batch/AR Time
	Dimensions	Table no : 1
Input Specification
Start Input		Power On, Pulse (Edge Trigger),Front Start (Programmable)
Reset Input		Front Key & Rear Terminal (Potential free)
Accuracy		Setting : 0.05% of Full scale Repeat : 0.01%
Output Specification
No. Of Outputs		3
Output 1	Relay / SSR	Factory settings
Output 1	Relay Contact Rating	5 A @ 250V AC/30V DC resistive
Output 2	Relay / SSR	Factory settings
	Relay Contact Rating	5 A @ 250V AC/30V DC resistive
	SSR	12 VDC @ 50mA
Output 3	Relay / SSR	Factory settings
	Relay Contact Rating	5 A @ 250V AC/30V DC resistive
	SSR	12 VDC @ 50mA
Configuration Parameters
Delay Modes		On Delay/Interval/Cyclic ON time first/Cyclic OFF time first/Cyclic Hold-Forward-Hold-Reverse-Hold
Time Range		9.99 Sec ; 99.9 Sec ; 999 Sec
		9.59 Min : Sec
		99.9 Min ; 999 Min
		9.59 Hrs : Min
		99.9 Hrs ; 999 Hrs
Timer Start Modes		Power On Start
		Pulse Start (Edge Triggered)
		Front Start Pulse Start (Edge +Level )
Programmable No. of Cycle		Applicable in On delay/Off delay CY1 & CY2 Mode Only
Timing Accuracy		0.05 % Full scale
Time Base Selection		Through Keyboard
Front Panel Reset		Enable/Disable
Memory Backup		Enable/Disable
Output 2 Configurable		Auxiliary Contact
Output 2 Configurable		Batch Mode
Output 3		Applicable in CY1, CY2 & CY3 Mode
General Specification
Supply Voltage		90 - 270 VAC/DC
Supply Voltage		24 VAC/DC (OPTIONAL)
Temperature	Operating	0 - 50°C
	Storage	-20° to 75°C
Humidity (Non-condensing)		95 % RH
		Weight

Advanced Time Control Features

The KTM-XX8 Series delivers robust time management capabilities with its digital keypad input, relay control outputs, and a wide measuring range. Its intuitive keypad and LED display simplify programming, making it ideal for process automation.

Reliable Construction and Protection

Crafted from ABS polycarbonate with protection class IP20, this timer resists dust and general mechanical wear. Its engineered to maintain performance in humid conditions up to 85% RH and temperatures from -10C to 50C.

Flexible Power and Event Logging

With options for 220V AC or rechargeable battery power, the KTM-XX8 ensures continuous operation. Its non-volatile memory allows for up to 100 event recordings, supporting historical data and repeatable automation tasks.

FAQs of TIMER KEYBOARD BASED KTM-XX8 Series:

Q: How is the KTM-XX8 Series timer installed?

A: The KTM-XX8 Series timer is designed for panel mounting. Users simply secure the unit in a suitable control panel, following the installation guidelines provided in the manual for safe and effective setup.

Q: What operation modes are available on this timer?

A: This timer supports both countdown and count-up modes, allowing for flexible timing control based on application requirements. Selection and setting modes are managed easily via the built-in digital keypad.

Q: When should I use the audible and visual indicators?

A: Audible (buzzer) and visual (LED) indicators are ideal for alerting users upon completion of timed events or reaching preset thresholds, enhancing safety and notification in industrial or process environments.

Q: Where can the KTM-XX8 Series be used?

A: Suitable for indoor industrial and commercial settings, this timer is effective in panels where accurate time control is needed. Its IP20 protection allows use in areas protected from direct dust and moisture exposure.

Q: What is the process for setting the timer?

A: Time settings are configured directly using the digital keypad. Users may enter the desired timing duration (from 1 second up to 999 hours), select the operation mode, and initiate the timer based on their specific application.

Q: How does the non-volatile memory benefit users?

A: Non-volatile memory retains up to 100 timed event records even during power loss, ensuring historical data and settings are preserved for operational continuity and easy recall of previous configurations.

Q: What are the advantages of using a rechargeable lithium battery?

A: The rechargeable lithium battery provides up to 48 hours of standby operation in the event of power outages, supporting uninterrupted timing functionality and safeguarding your ongoing processes.

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