Intek 200 - Manual (Page 9)

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The transmitter housing should be installed keeping in mind the length and routing of the transducer
cable. Standard cable length is six feet but it can be specified up to 200 feet. If, after calibration of the
unit, the cable length is changed (a portion cut off or additional cable spliced on), there may be a shift
in the calibration due to the change in cable resistance. The size of this effect depends on the amount
of change. If a noticeable shift occurs, it may be necessary to adjust the output as described in the
calibration instructions in SECTION 4.2.
Unless otherwise specified, normal ambient environment for the transmitter is 0-120°F. Recommended
maximum temperature is 135°F.
2.3 ELECTRICAL CONNECTIONS
1. Verify/configure the input power. The input power requirement is listed on the tag on the
transmitter enclosure. Be sure the input power source to be used is properly selected in the
unit. Input power can be either 115 Vac or 230 Vac single phase, 50-60 Hz. The power
configuration may be changed in the field. Using Figure 1, locate the power select switch on
the lower printed wiring board and slide the power select switch to either the 115V or the
230V position. Do not apply power to the instrument until all other connections and
optional selections have been made.
!! CAUTION: The following output signals, both ! and +, are isolated
from the transducer and power ground. However, the outputs are not
isolated from each other. All of the 4 to 20 mA receiver channels must
have independently isolated inputs. Again, the 4-20 mA, RS232/422, and
status outputs are all common to each other.
Figure 1 - Transmitter Hardware Configuration