nel has been properly configured. Note, however, that the standard
ZERO (ZRO)
and
FORCE (FRC)
commands can be used to perform
TWO-POINT (DEADWEIGHT)
CALIBRATION
in applications where it is desirable to force multiple TC readings to
the same exactly known temperature.* The mainframe’s
EEPROM Write Protect
Switch
must be ON for these commands to be effective. See Manual Section 1.G.5
for a general discussion of this conventional “zero and span” calibration technique.
4
O
PTIONAL
“R
EMOTE
” TC C
ONNECTIONS
:
M
ODEL
10CTJB-8 T
HERMOCOUPLE
J
UNCTION
B
OX
4.a P
URPOSE
You can use the
Model 10CTJB-8 Thermocouple Junction Box
with a Model
10A9-8C to move the temperature-compensated reference junction to the actual site
of up to eight remote thermocouple sensors.
NOTE:
The 10CTJB-8 can only be used in environments with an ambient temperature
between 0° F and +140° F.
4.b C
ONNECTIONS
The label on the top side of the 10CTJB-8 box shows the numbering and polarity of
the unit’s eight internal screw-terminal pairs, which match those of the CONDITIONER
CONNECTOR that attaches to the 10A9-8C’s rear I/O CONNECTOR (see Fig. 1 and the
Pin-Assignment Table, above).
Introduced through the cutout on the left-hand side of the box, TC leads connect
directly to these screw terminals, in any desired type mixture. The 10CJTB-8 then
sends their signals to the Model 10A9-8C Conditioner Card via copper conductors
(only).
The user must furnish his or her own pin-to-pin cable for connecting the 10CTJB-8
Junction Box to the rear I/O CONNECTOR of the Model 10A9-8C. Daytronic will sup-
ply appropriate solder-terminal connectors for this cable. The cable should be shield-
ed, and should consist of stranded copper wires. While no maximum cable length is
actually specified, the wire size and length combination should be such that the total
per-wire resistance does not exceed 25 ohms.
10A9-8C.
6
O
PTIONAL
“R
EMOTE
” TC C
ONNECTIONS
: M
ODEL
10CTJB-8
10A9-8C
E
IGHT
-C
HANNEL
T
HERMOCOUPLE
C
ARD
* In heat balance applications, for example, it is useful to be able to zero all readings simultane-
ously.
Summary of Contents for System 10
Page 31: ...GETTING YOUR SYSTEM 10 ON THE AIR SB 2 FOR A SIZED MAINFRAMES...
Page 67: ...GETTING YOUR SYSTEM 10 ON THE AIR SB 2 FOR B SIZED MAINFRAMES...
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Page 174: ...10A16 4C 6 THIS PAGE INTENTIONALLY BLANK 10A16 4C QUAD PLATINUM RTD CARD...
Page 186: ...10A18 4C 8 THIS PAGE INTENTIONALLY BLANK 10A18 4C QUAD PLATINUM LINEAR RTD CARD...
Page 212: ...10A40 8 THIS PAGE INTENTIONALLY BLANK 10A40 FREQUENCY CARD...
Page 224: ...10A43 4 THIS PAGE INTENTIONALLY BLANK 10A43 DWELL ANGLE CARD...
Page 234: ...10A48 6 THIS PAGE INTENTIONALLY BLANK 10A48 FLOW CARD...
Page 242: ...10A61 2 4 THIS PAGE INTENTIONALLY BLANK 10A61 2 DUAL 4 20 MA CARD...
Page 252: ...10A63 2 6 THIS PAGE INTENTIONALLY BLANK 10A63 2 DUAL DC VOLTAGE CARD...
Page 270: ...10A69 4 6 THIS PAGE INTENTIONALLY BLANK 10A69 4 QUAD AC RMS CARD...
Page 276: ...10A70 2 6 THIS PAGE INTENTIONALLY BLANK 10A70 2 DUAL DC STRAIN GAGE CARD...
Page 288: ...10A72 2C 12 THIS PAGE INTENTIONALLY BLANK 10A72 2C ENHANCED DUAL DC STRAIN GAGE CARD...
Page 320: ...10A74 4C 18 THIS PAGE INTENTIONALLY BLANK 10A74 4C QUAD DC STRAIN GAGE TRACK HOLD CARD...
Page 342: ...10A96 8 THIS PAGE INTENTIONALLY BLANK 10A96 AMPLIFIED ACCELEROMETER VIBRATION CARD...
Page 362: ...AA30 4 12 THIS PAGE INTENTIONALLY BLANK AA30 4 QUAD LVDT CARD...
Page 374: ...AA41 2 4 12 THIS PAGE INTENTIONALLY BLANK AA41 2 AA41 4 DUAL QUAD FREQUENCY CARD...
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