At a Glance

Functionality
  • Detect Loss of Control
  • Provide Contact Closure on Fail
  • Fail-SAFE Output Relays
Features
  • Analog and Digital Timing
  • Fixed and Adjustable Timeouts
  • Power Supply Monitoring Models
Configuration
  • Modules for I/O Racks
  • Space-Saving Octal Socket Timers
  • Wide Temperature Range
Options
  • Timeouts
  • Logic and Operating Voltages
  • Output Contact Configurations
  • Special Triggering Configurations

 

  • Customize It! IPD is glad to quote your specific custom module

 

Description

Family

 WDT5 M-WDT5 SM-WDT5 G-WDT WDT5D Gx2™-WDT  P8-WDT24 P8E-WDT24 P8D-WDT24  P8D-ISM

PTM-300

or PTM-300U

Offering 11 families of watchdog timers, Brentek is the definitive source for watchdogs for industrial controllers, PLCs, and single board PCs.

 

Brentek Watchdog Timer Selection Matrix

Functionality
 

Watchdog Timer

Watchdog Timer

Watchdog Timer

Watchdog Timer

Digital

Watchdog Timer

Dual Output

Watchdog Timer

Watchdog Timer

Enhanced
Watchdog Timer 

 Digital
Watchdog Timer		 Industrial Supervisory Module Pulse Timing Module (w/ or w/o LCD)
with Watchdog Mode
Case Size
(HxWxD)
 

1.25x1.7.0.6"

1.0x1.7x0.4"

1.0x1.7x0.4"

1.64x1.92x0.48"

1.25x1.7.0.6"

1.64x1.92x0.48"

1.5x2.0x2.0

1.5x2.0x2.0

1.5x2.0x2.0

1.5x2.0x2.0

1.56x2.0x2.0
I/O Rack Style
 

Standard I/O
0.6" Classic

Mini I/O, 70M, M

Mini I/O, 70M, M

G-Types: G4, 70G, C4

Standard I/O
0.6" Classic

Gx2™ Types, HDX™ , UNI, DIN-102R

DIN 8
8 Pin Octal Socket

DIN 8
8 Pin Octal Socket

DIN 8
8 Pin Octal Socket

DIN 8
8 Pin Octal Socket

DIN 8
8 Pin Octal Socket
I/O Rack Manufacturers
 

OPTO 22

Grayhill, Crouzet

Crouzet

OPTO 22, Grayhill, Crouzet

OPTO 22

Brentek

Brentek

Brentek

Brentek

Brentek

Brentek
Operating Voltage(s)
 

5V Logic

5V Logic

5V Logic

5V, 12V, 15V, 24V Logic

5V, 12V, 15V, 24V Logic

5V, 12V, 15V, 24V Logic

24V Sourcing Logic

24V Sourcing Logic

5-28 VDC  Operation
3-30V Src/Sink Trigger

5-28 VDC  Operation
5, 12, & 24 VDC Supervision
3-30V Src/Sink Trigger

10-30VDC Operation
Auto Src/Sink Trigger
Fixed Timeouts Available
 

0.1-60 Sec.

0.1-60 Sec.

0.1-60 Sec.

0.1-60 Sec.

31 mSec. to
68 Minutes (binary incr.)

0.1-60 Sec.

0.1-60 Sec.

0.05-60 Sec.

0.050 Sec. -
1440 Minutes

0.05-60 Sec.

PTM-300U: N/A
PTM 300: 0.1-60 Sec.
Adjustable Timeouts Available
 

0.075-5 Sec.
or 2-8 Sec. 

0.075-5 Sec.
or 2-8 Sec. 

0.075-5 Sec.
or 2-8 Sec. 

0.075-5 Sec.
or 2-8 Sec. 

 N/A

0.075-5 Sec.
or 2-8 Sec. 

5 Ranges:
thru  30 Sec.

7 Ranges:
thru  60 Sec.

User specified in 0.050 - 60 Sec. range

User specified in 0.050 - 60 Sec. range

0.01-60 Sec. 
Timing Accuracy
 

+-15%

+-15%

+-15%

+-15%

+-1%

+-15%

+-15%

+-2%

+-2%

+-2%

Greater of

1 mSec or 1% 
Edge-Triggered Reset
 

Negative Edge

Negative Edge

Negative Edge

Negative Edge

Neg. & Pos. Edge

Negative Edge

Positive Edge

Positive Edge

Positive Edge

Positive Edge

User Selectable
Opto-Isolated Input
 

N/A

N/A

N/A

N/A

N/A

N/A

Optional

Optional

Standard

Standard

Optional
Operating Temperature
 

-40 to +85°C

-40 to +85°C

-40 to +85°C

-40 to +85°C

-20 to +60°C

-40 to +85°C

-40 to +85°C

-40 to +85°C

-40 to +85°C

-40 to +85°C

-40 to +85°C
0 to +50°C (LCD Version)
Output Configuration (Std.)
 

Fail OPEN

Fail OPEN

Fail OPEN

Fail OPEN

Fail OPEN

Form C or A&B: Fail OPEN & Fail CLOSED

8 Amp Form C:
Fail OPEN & CLOSED

8 Amp Form C:
Fail OPEN & CLOSED

8 Amp Form C:
Fail OPEN & CLOSED

8 Amp Form C:
Fail OPEN & CLOSED

NPN/PNP SSR Output
Special Features
 

Captive #4-40 Screw

Miniature Footprint

Miniature Footprint

Integral LED Output Indicator

Quartz Timing

Two Simultaneous Outputs

Power & Output LEDs

Compatible P8 Upgrade

Enhanced PWR, INPUT, & OUTPUT LEDs
Fast/Slow Pulse Det.
Inductive Load Feature

Power Supply Supervision
Enhanced PWR, INPUT, & OUTPUT LEDs
Inductive Load Feature

Full compliment of pulse timing modes.
Options

Fail CLOSED
Adjustable Timeout
5 Amp Contacts*

Fail CLOSED

Fail CLOSED

Fail CLOSED
Sourcing Logic*
5 Amp Contact

Fail CLOSED
5 Amp Contact
Timeout RESET

Specify Outputs
5 Amp Contacts
Sourcing Logic*

Input LED
Opto-isolated
Adj. Timeout

P8 options plus:
24V Supply Supervision
Dual Edge Triggering
Power-up Trigger
Re-trigger Lock Out

P8E options plus:
115VAC Triggering
1% Timer Calibration
1st Fault Lockout
Power-up Trigger
(See P8D-ISM for Power Supply Supervision)

P8E options plus:
115VAC Triggering
1% Timer Calibration
1st Fault Lockout
Power-up Trigger
Configurator available

5VDC Operation
Form C Reed Relay
5 Amp Form A Relay
… and more.

 

 

How to Purchase Customize It!