Setra-system Model ASM Bedienungsanleitung PDF herunterladen (Seite 2)

2.4 Installation of Pressure Fittings

Your transducer is designed for the most accurate operation when subjected

to pressures within the designated pressure range. Refer to page 4 for proof

pressure limits.

Standard sealants such as Teon pipe tape generally are satisfactory on NPT

threads. For the most sensitive pressure ranges, excessive high torquing of a

metal pressure tting may cause slight zero shift which may be trimmed out

using the zero adjustment. Use of a plastic tting often shows no noticeable

zero shift. The torquing eect does not appreciably aect linearity or sensitiv-

ity. The 3/4 in. wrench at (Hex) on the unit must be used when installing the

positive pressure tting.

3.0 ELECTRICAL INSTALLATION

3.1 Electrical Connections

ASM is available with a cable, or bayonet connector options having dierent

connector pin-outs shown in table below:

Code B3

(Standard)

Code B4

Option

Code B5

Option

Code B6

Option

Code B7

Option

Electrical Connection Wire

Color

Bayonet

Conn.

Pinout

Bayonet

Conn.

Pinout

Bayonet

Conn.

Pinout

Bayonet

Conn.

Pinout

Bayonet

Conn.

Pinout

Current Voltage

+EXC + EXC Red A A A C A

-EXC - EXC Black D B B D C

NA + Sig Out Green B C D A F

NA - Sig Out White C D C B E

Reserved for communication with SecureCal

calibration module

SecureCal Blue E E E E B

SecureCal Brown F F F F D

Shield

Drain Wire

Ex-

posed

Case Case Case

CAUTION: Connecting -EXC to positive excitation and +Sig to negative excita-

tion at the same time may damage the unit.

3.2 Voltage Output Units

The Model ASM voltage units are a four-wire type circuit energized thru +EXC

and -EXC terminal with 0-5VDC or 0-10VDC analog output through the +SIG

Out and -SIG Out terminals.

3.3 Current Output Units

The Model ASM current units are a two-wire loop-powered 4 to 20mA current

output and deliver rated current into any external load of 0 to 800 ohms.

Connector

Viewed from Front

1 2 3 4 5 6 7 8

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