Honeywell SC1000 Uživatelský manuál stáhnout pdf (Strana 103)

SC Series Instruction Manual page 103

High-Level Input Channel12

12.2.6 “2-wire Current”

Amplifiers with Buffered

Shunt Cal

Use the following wiring diagram when connecting an amplified transducer or in-

line amplifier with a 2-wire current amplifier to a High-Level Input channel. Exam-

ples of such devices include

• transducers with the Option 2k internal amplifier (not equipped with shunt cal)

• transducers with the Option 2k,3d internal amplifier (buffered shunt cal)

• Model U2W Universal In-Line amplifiers (not equipped with shunt cal)

The High-Level Input channel’s Configuration Jumpers must be set as follows for

proper operation. See “Excitation and Signal Jumpers” on page 106.

• (+)Excitation supply: “+28 VDC”

• (-)Excitation supply: “GND”

• Signal type: “current”

• Signal reference: “single ended”

Figure 12-5: “2-wire Current Amp w/Buffered Shunt Cal” Connection to High-Level Input

Channel

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Honeywell SC1000 Uživatelský manuál Strana 103