DBK207 & DBK207/CJC

16-Channel Isolated Analog Signal ConditioningFeatures• Accepts up to sixteen 5B-compatible­isolated analog input modules*• 500 VDC channel-to-channel andchannel-to-system isolation• Modules can be mixed in any combination to measure temperature, strain,volts, current, and frequency• Per-channel screw terminals (14-22 AWG)
for easy signal connection, cold-junction
sensors for thermocouple applications(DBK207/CJC), and socket for ­currentresistors• Up to sixteen DBK207 and/or
DBK207/CJC boards can be daisychained supporting expansion to 256
isolated analog inputs• Easily configured, without programming, with DaqView software• Optionally rack and DIN-rail­ ountablem• Requires +5 VDC power supply
The DBK207 and DBK207/CJC signal conditioning and expansion boards can beconfigured, on a per channel basis, with up
to 16 isolated 5B analog input modules. Bothboards feature screw terminals per channel
for the convenient connection of field signals as well as sockets for current conversion
resistors*. The DBK207/CJC also includes
per channel cold-junction compensation.
This allows 5B thermocouple modules tooutput linearized and compensated values
eliminating the need for any components
apart from a user-­supplied thermocouple.
Each user-configurable 5B signal conditioning module offers 500V isolationfrom the system and from other channels.
A wide variety of analog input modules
are available for measuring temperature(thermocouple and RTD), strain, volts,current, and frequency.
Up to 16 DBK207 and/or DBK207/CJC
boards can be daisy chained (via multipleCA-37-x cables) providing expansion up
to 256 analog input channels. For applications with both analog and ­digital
I/O channel expansion requirements, theDBK208, and DBK210 ­expansion boards
are available. All DBK signal ­conditioning
and expansion boards are scanned at
5 µs/channel.

The DBK207 and DBK207/CJC accept up to 16 isolated analog input modules of any type

DBK207 & DBK207/CJC Block Diagram+5 VDCAC1362current-sense
resistor module

SIGNAL I/O+5 V returnColdjunction
sensor (1)5 VDC
input power (2)P4connJP2 (3)openAnalogcommonMUXChannel
select header

16JP1Channel address lines

415 additional
5B channels
Isolated
input channel
1 of 16P1

1 CJC is applicable to DBK207/CJC;
CJC does not apply to DBK207
2 Current requirement is dependent upon the
5B modules used
3 JP2 provides a means of obtaining an external
earth groundP1On-board P1 connectors foranalog expansion or connection
to Daq system P1

The DBK207 and DBK207/CJC ship withpanel-mount hardware but they can also
be either DIN-rail or rack-mounted with
optional mounting kits.
The DBK209 and DBK206 adapter boards
are used to convert the 100-pin (P4) connector from the DaqBoard/2000 Seriesboards to three expansion ports (P1, P2,and P3).

Rack3 rack-mount kit for the DBK207 andDBK207/CJC* 5B modules must be purchased separately. All sales are final with no right of return.

Measurement Computing(508) 946-5100

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DBK207 & DBK207/CJC
Specifications & Ordering Information

Accessories

DBK207 & DBK207/CJC Expansion Examples

Description
Part No.
Rack-mount kit for DBK206, DBK207,
DBK207/CJC, DBK208, DBK209,
and DBK210 signal termination
Rack3and expansion boards
DIN-rail adapter kit for DBK206, DBK207,
DBK207/CJC, DBK208, andDBK207
DBK210and/or DBK207/CJC
carrier board
for 5B-compatible
signal termination and expansion
boardsDIN1
analog I/O modules; analog input
DIN-rail adapter kit for DBK209
signalexpansion;
mounted using Rack3
DIN2
termination and expansion board

CA-37-1 (2)P1

DBK207 and/or DBK207/CJC(3) signal conditioning andexpansion board for 5B-compatible
analog I/O modules; analog input
expansion; mounted using Rack3

P1Monitor

P1

CablesIndustrial
Panel-Mount PC
with DaqBoard/2000
Series board installed

CA-195

CA-37-3

Ribbon cable for connecting DBK Series
expansion options; where x is thenumber of DBK devices attached100-conductor expansion cable,mates with the DaqBoard/2000 Seriesboards and the DBK200, DBK202,
DBK203A, DBK206, DBK207,
DBK207/CJC, DBK208, DBK209,
and DBK210;		 3 ft. expansion cable		 6 ft. expansion cable
Same as CA-195 with
CE compliance; 3 ft.

NEMA Enclosure

Three DBK207 isolated analog signal conditioning andexpansion boards (16 max) using Rack3 mounting option

DBK209adapter board,panel
mountedCA-37-x
CA-195

CA-195
CA-195-6
CA-209Product Compatibility
Notebook PC✔ LogBook✔ DaqBook✔ DaqLab✔ DaqScan✔ DaqBoard/2000 Series

Ethernet
DaqBook
P1

P2

P3

CA-37-1
P1

DBK207 and/or DBK207/CJC
signal conditioning and expansion
board for 5B-compatible I/O modules;
analog and digital expansion

The DaqBook/2000 with one DBK207 and/or DBK207/CJC
isolated analog signal conditioning and expansion board (16 max)

Specifications

Module Capacity: 16, input only, 5B modules
Cable (optional): CA-37-x and CA-195
DC Input Fuse: 3A, reset type
Power Requirement: 5 VDC, regulated
Operating Environment
Temperature: 0 to 70 ˚C
Relative Humidity: 95% RH, non-condensingConnectors
P4: 100-pin connector provides for connection toDaqBoard/2000 Series P4 connector via aCA-195 cable
P1: Two P1 (DB37) connectors provide connection
to Daq system P1, and analog expansion via
single CA-37-x cable or multiple CA-37-1 cables
Screw Terminals: 16 sets of 4-connector blocks
Isolation (DC or AC Peak)
Signal Inputs to Daq Device: 500V
Input Channel-to-Channel: 500VCJC: Cold-junction compensation, applicable to
DBK207/CJC board only

Measurement Computing

Ordering Information

Description
Part No.
Termination and (parallel P1) expansion
board with fixed screw terminals andsockets for up to 16 multiplexed
5B-compatible isolated analog input
modules; provides direct connection
for analog DBK signal conditioning
DBK207and expansion options
Same as DBK207 but with on-board,
cold-junction compensation
for thermocouple based
measurements
DBK207/CJC
Termination and expansion board withremovable screw terminals for access toall DaqBoard/2000 Series I/O with directconnection for DBK signal conditioning
and expansion options
DBK206
Expansion board for direct connection
to DBK signal conditioning andexpansion options
DBK209(508) 946-5100

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