Yokogawa ADMAG AXR Uživatelský manuál stáhnout pdf (Strana 32)

<4. WIRING>

4-8

IM 01E30D01-01EN

600

250

14.7 20.6 28.9 42

Power supply voltage E (V DC)

0.0236

E−14.7

F0416.ai

Digital

Communication

Range

(BRAIN or HART)

External

Load

Resistance

R (Ω)

Figure 4.6.3 Relationship between Power supply

voltage and external load resistance

HART

Communication signal:

HART communication signal (superimposed

on 4 to 20 mA DC signals)

Note: HART is a registered trademark of the HART

Communication Foundation. Use the setting tool

thathasthesameprotocolrevisionasAXR.Itisnot

possibletocommunicatewithHART7AXRinusing

HART 5 or HART 6 setting tool.

Conditions of Communication Line:

Supply Voltage: 20.6 to 35 V DC

 LoadResistance:250to600Ω

(including cable resistance)

Refer to Figure 4.6.3.

HART Protocol Revision

HART protocol revision can be selected from 5 or

7 when ordering. (“-J” only)

The protocol revision can be changed by user

conguration.

The HART protocol revision at the time of

shipment is shown by the last number at the

serial number column of the name plate.

Note: ProtocolrevisionsupportedbyHARTcongura-

tion tool must be the same or higher than that of

AXR.

Selection of HART 5/ HART 7

Output Signal

Code

-E -J

Ordering

Information

– Specify “5” Specify “7”

HART Protocol

Revision

HART 5 HART 7

Selec-

tion

guide

Require-

ment for

HART 7

function-

ality

YES

Be sure to

conrm

the

protocol

revision of

the HART

congura-

tion tool

shown in

Note 2.

Other

condi-

tions

Not avail-

able to

switch to

HART 7

protocol

after deliv-

ery.

Available

to switch

to HART

7 proto-

col after

delivery by

user-con-

guration.

Available

to switch

to HART

5 proto-

col after

delivery by

user-con-

guration.

Remarks Note 1 Note 2 Note 2

Note 1: "-E" is HART5 exclusive model and will be terminated.

"-J" is recommended for HART communication.

Note 2: HART protocol revision for the device and HART

congurationtool

HART 7 communication is supported by FieldMate

R2.04 or later.

Protocol revision supported by HART

congurationtool

5 7

AXR,HART5 Available Available

AXR,HART7 Not available Available

(2) Pulse Output, Status Output, Alarm Output

One Output can be selected from pulse, alarm, or

status through the parameter setting.

Refer to Table 4.6.2 as wiring examples.

igital Output:

Transistor contact output, open collector

Contact rating: 30 V DC, 120 mA DC

Low level: 0 to 2 V DC (Refer to Figure 4.6.3)

HIGH level

LOW level

0 V

0 to 2 V

F0417.ai

Figure 4.6.4 High and Low levels (transistor contact

output)

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 193 194

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