Yokogawa ADMAG AXR Uživatelský manuál stáhnout pdf (Strana 31)

<4. WIRING>

4-7

IM 01E30D01-01EN

F0415.ai

SUPPLY

Power supply

cable

Figure 4.6.2 Electric Cable Wiring (TIIS Explosion

Proof Type)

IMPORTANT

• ConnectingwiththecommercialAXR

powersupplywilldamagetheowmeter.

Be sure to use the DC power supply in the

predetermined range.

• Do not connect power supply with reversed

polarities.

SUPPLY + terminal: connect +

SUPPLY - terminal: connect -

NOTE

Supply voltage means the voltage necessary

to provide between the power terminals of the

magneticowmeter.

Refer to Table 4.6.2 to 4.6.4 for wiring examples in

case of general - purpose use/explosion proof type

except TIIS.

Refer to Table 4.6.5 to 4.6.7 for wiring examples in

case of TIIS explosion proof type.

heADMAGAXRcanbeconnectedwithalmost

all distributors, signal conditioner cards, and I/O

modules except certain devices.

Referring to the Table 4.6.1 for Yokogawa’s devices,

choose an appropriate connecting device and the

corresponding length of cable.

For devices other than Table 4.6.1, decide on

the connection by referring to the supply voltage

specicationsandthedescriptionofwiring

examples as shown in Table 4.6.2 to 4.6.7.

Table 4.6.1 Connecting device and Applicable

maximum cable length (guideline)

Connecting device

Maximum length of cable

(rough guideline)

Name Model

Cable

with cross

section of

2 mm

Cable

with cross

section of

1.25 mm

Signal

Conditioner

Card

EA1

EA2

2 km 2 km

I/O Module

AAM11

AAM11B

2 km 2 km

Analog I/O

Module

(for FIO)

AAI143 2 km 2 km

AAI141

AAI841

AAI135

AAI835

Not applicable Not applicable

Analog I/O

Module (for

Prosafe-RS)

SAI143 1.4 km 0.8 km

Distributor

SDBT

SDBS

2 km 2 km

JUXTA

VJA1

2 km 2 kmVJA4

VJA7

Communication Requirement:

BRAIN

Communication signal:

BRAIN communication signal

(superimposed on 4 to 20 mA DC signals)

Conditions of Communication Line:

Supply Voltage: 20.6 to 42 V DC

 LoadResistance:250to600Ω

(including cable resistance)

Refer to Figure 4.6.3.

Communication Distance:

Up to a distance of 2km when a CEV cable is

used (Refer to Table 4.6.2)

LoadCapacitance:0.22μForless

Load Inductance: 3.3 mH or less

Distance from other Power line:

15 cm (6 in.) or more (Avoid parallel wiring)

Input Impedance of Communicating Device:

10kΩormoreat2.4kHz

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 193 194

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