![GLI P63 Скачать руководство пользователя страница 28](http://html.mh-extra.com/html/gli/p63/p63_operating-instructions-manual_2231741028.webp)
PART TWO - INSTALLATION
SECTION 3 - ELECTRICAL CONNECTIONS
Rev. 7-1201
Model P63 pH Analyzer
27
3.5 Analog Outputs
☞
Isolated 0-5 VDC/0-1 mA
Isolated 4-20 mA
☞
Two sets of isolated analog outputs (1 and 2) are provided.
Each set consists of 4-20 mA and 0-5 VDC/0-1 mA signals.
Each set can be assigned to represent the measured pH or
temperature.
When the analyzer has the optional PID controller, Output 1
can be set to represent the controller output (0-100%). Out-
put 2 can be selected to provide a special dedicated non-
variable alarm signal (only 4 mA or 20 mA) instead of its
normal proportional output. (This dedicated alarm signal
can be used for the PID controller output timers or for
wash/cal system operation.) To configure the outputs, refer
to PART THREE, Sections 5.6 and 5.7. If you want an out-
put to transfer to a preset value when calibrating or
removing the sensor from the process, see PART THREE,
Section 5.9 for details.
Installation Tip!
Use high quality, shielded instrumen-
tation cable for connecting the analog outputs. To best
protect the output signals from EMI/RFI, connect cable
shields to the “CABLE SHIELDS SCREW” in Figure 2-3.
This is a dual-purpose output. The 0-5 VDC output requires
a minimum load of 1 megohm. The 0-1 mA output can drive
a load of up to 100 ohms.
•
Output 1 “0-5 V/0-1 mA” Signal:
Connect load (+) to
Terminal 16 and load (-) to “LO” Terminal 17 on TB1.
•
Output 2 “0-5 V/0-1 mA” Signal:
Connect load (+) to
Terminal 18 and load (-) to “LO” Terminal 17 on TB1.
This output can drive a load of up to 900 ohms.
NOTE:
Before connecting a load to a 4-20 mA output, re-
move the factory-installed jumper. When not using
a 4-20 mA output, the jumper must be connected.
•
Output 1 “4-20 mA” Signal:
Connect load to Terminals
14 and 15 on TB1, matching polarity as indicated.
•
Output 2 “4-20 mA” Signal:
Connect load to Terminals
19 and 20 on TB1, matching polarity as indicated.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com