16-Channel Isolated Digital I/O Signal Conditioning and Expansion Board

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To access complete product information in PDF format Please Click Here.
(Updated 4-19-07)

DBK208
16-Channel Isolated Digital I/O
Signal Conditioning and Expansion Board

The DBK208 accepts up to 16 isolated
solid-state-relay (SSR) digital I/O modules.

Features

Accepts up to 16 Opto-22^®-compatible isolated solid-state-relay (SSR) digital I/O modules*
500 VDC channel-to-channel and channel-to-system isolation
Modules available for sensing AC and DC signals and switching AC and DC loads
Modules are jumper configured as either inputs or outputs in groups of eight
Per channel screw terminals (12-26 AWG) for easy signal connection plus LEDs to indicate module status
On-board logic permits the disabling of outputs upon external power loss
On-board logic disables outputs upon detection of a CPU reset
Up to sixteen DBK208 boards can be daisy chained supporting expansion up to 256 isolated digital I/O lines
Easily configured without programming with DaqView software
Optionally rack and DIN-rail mountable
Requires +5 VDC power supply

* Opto-22^® modules must be purchased separately. All sales are final with no right of return.

Complete Information

To access complete product information in PDF format Please Click Here. (Updated 4-19-07)

Tech Tips

Tech Tip 60402 - Driving Relays with IOtech Digital I/O Ports: Many IOtech data acquisition system users connect their equipment to relays for controlling peripherals under specific programmed events. For this purpose, IOtech provides TTL-compatible and other types of digital I/O ports on many of its products to conveniently interface with numerous digital devices.

OPTO-22^® Switching Modules

Module	AC Control			DC Control		Dry-Contact
Module	PCAC1-W	PCAC2-W	PCAC3-W	PCDC1-W	PCDC2-W	PCDC3-W
Operating voltage	12-140 VAC	24-280 VAC	24-280 VAC	5-60 VDC	5-200 VDC	0-100 VDC 0-130 VAC
Nominal line voltage	120 VAC	240 VAC	120-240 VAC	60 VDC max	200 VDC max	100 VDC max 130 VAC max
Isolation	4000V RMS	4000V RMS	4000V RMS	4000V RMS	4000V RMS	1500 VDC
Current rating @ 45°C	3A	3A	3A	3A	1A	1.5A max
Turn-on time	1/2 cycle 0 voltage	1/2 cycle 0 voltage	1/2 cycle 0 voltage	100 µs	100 µs	750 µs
Turn-off time	1/2 cycle 0 current	1/2 cycle 0 current	1/2 cycle 0 current	750 µs	750 µs	750 µs
Contact mode	Normally open	Normally open	Normally closed	Normally open	Normally open	Normally open

OPTO-22^® Sensing Modules

Module	AC Sensing				DC Sensing
Module	PSAC1-W	PSAC2-W	PSAC3-W	PSAC4-W	PSDC1-W	PSDC2-W
Input voltage range	12-32 VAC	35-60 VAC	90-140 VAC	180-280 VAC	2.5-28 VDC	4-16 VDC
Input current @ max line	25 mA	6 mA	11 mA	6.5 mA	30 mA	45 mA
Input allowed for output	1 mA 3V	0.8 mA 9V	3 mA 45V	1.7 mA 80V	0.2 mA 1V	0.7 mA 1V
Turn-on time	5 msec	10 msec	20 msec	20 msec	1 msec	0.05 msec
Turn-off time	5 msec	10 msec	20 msec	20 msec	1.5 msec	0.1 msec

Ordering Information

For international pricing, please click here to locate your local distributor.

Description	Part No.	Price	Shop Online
Adapter board with fixed screw terminals and sockets for up to 16 Opto-22^®-compatible isolated solid-state-relay (SSR) digital I/O modules, and status LEDs per channel; also connects DBK signal conditioning and expansion options to the CA-195 expansion cable	DBK208	$ 219	Add to Cart
Termination and expansion board with removable screw terminals for access to all DaqBoard/2000 series I/O with direct connection for DBK signal conditioning and expansion options	DBK206	$ 249	Add to Cart
Expansion board for direct connection to DBK signal conditioning and expansion options	DBK209	$ 59	Add to Cart
Accessories
Rack-mount kit for DBK206, DBK207, DBK207/CJC, DBK208, DBK209, and DBK210 signal termination and expansion boards	Rack3	$ 41	Add to Cart
DIN-rail adapter kit for DBK206, DBK207, DBK207/CJC, DBK208, and DBK210 signal termination and expansion boards	DIN1	$ 62	Add to Cart
DIN-rail adapter kit for DBK209 signal termination and expansion board	DIN2	$ 49	Add to Cart
Cables
100-conductor expansion cable, mates with the DaqBoard/2000 series boards and the DBK200, DBK202, DBK203, DBK206, DBK207, DBK207/CJC, DBK208, DBK209, and DBK210; 3 ft.	CA-195	$ 79	Add to Cart
100-conductor expansion cable, mates with the DaqBoard/2000 series boards and the DBK200, DBK202, DBK203, DBK206, DBK207, DBK207/CJC, DBK208, DBK209, and DBK210; 6 ft.	CA-195-6	$ 89	Add to Cart
Same as CA-195 with CE compliance; 3 ft.	CA-209	$ 209	Add to Cart
CA-37-x ribbon cable where x is the number of DBK devices attached	CA-37-1	$ 51	Add to Cart
	CA-37-2	$ 61	Add to Cart
	CA-37-3	$ 72	Add to Cart
	CA-37-4	$ 82	Add to Cart
	CA-37-5	$ 93	Add to Cart
	CA-37-6	$ 103	Add to Cart
	CA-37-7	$ 113	Add to Cart
	CA-37-8	$ 124	Add to Cart
OPTO-22^® Modules
AC control module 12-140 VAC (normally open)	PCAC1-W	$ 30	Add to Cart
AC control module 24-280 VAC (normally open)	PCAC2-W	$ 30	Add to Cart
AC control module 24-280 VAC (normally closed)	PCAC3-W	$ 30	Add to Cart
DC control module 5-60 VDC (normally open)	PCDC1-W	$ 30	Add to Cart
DC control module 5-200 VDC (normally open)	PCDC2-W	$ 30	Add to Cart
AC/DC control module 0 to 100 VDC, 0 to 130 VAC (normally open)	PCDC3-W	$ 30	Add to Cart
AC/DC input module 12-32 VAC/DC	PSAC1-W	$ 30	Add to Cart
AC/DC input module 35-60 VAC/DC	PSAC2-W	$ 30	Add to Cart
AC/DC input module 90-140 VAC/DC	PSAC3-W	$ 30	Add to Cart
AC/DC input module 180-280 VAC/DC	PSAC4-W	$ 30	Add to Cart
DC input module 2.5-28 VDC	PSDC1-W	$ 30	Add to Cart
DC input module 4-16 VDC	PSDC2-W	$ 30	Add to Cart