background image

page 1 of 6

+GF+ SIGNET 8550-1 Flow Transmitter Instructions

CAUTION!

Remove power to unit before wiring
input and output connections.

Follow instructions carefully to avoid
personal injury.

+GF+ SIGNET 8550-1 Flow Transmitter Instructions

ENGLISH

Contents

1. Installation
2. Specifications
3. Electrical Connections
4. Menu Functions

1.1 Panel Installation

The Panel Mounting kits are supplied with the hardware to
install instrumentation into panels and maintain a NEMA 4X
seal.

1.

Punch out panel and de-burr edges.  Recommended
clearance on all sides between instruments is 1 inch.

2.

Place gasket on instrument, and install in panel.

3.

Slide mounting bracket over back of instrument until
quick-clips snap into latches on side of instrument.

4.

Connect wires to terminals.

5.

To remove, secure instrument temporarily with tape from
front or grip from rear of instrument.  DO NOT RELEASE.
Press quick-clips outward and remove.

1.2 Integral Assembly  (3-8051)

1.

Punch out conduit ports if necessary.

2.

Connect sensor to integral adapter.  Push and twist-lock
integral adapter to conduit base and secure with locking
ring and screw.

3.

Mount unit in pipe.  Route cable through cable gland and
connect to transmitter.

4.

Close unit and secure.  Seal cable entry.

1.3 Universal Assembly  (3-8050)

1.

Install transmitter base

2.

Connect wires to transmitter.

3.

Close unit and secure with push and twist lock.
Seal cable entry.

1.

Installation

The transmitter is available in three versions:  a panel mount version, an integral (pipe mount) version, and a universal assembly for
installation near the sensor.

Electrical

Sensor Input:

Range:  0.5 - 1500 Hz

Sensor power:

2-wire:  1.5 mA @ 5 VDC 

±

 1%

3 or 4 wire:  20 mA @ 5 VDC 

±

 1%

Optically isolated from current loop

Short circuit protected

Current output:

4 to 20 mA, isolated, fully adjustable and reversible

Power:  12 to 24 VDC 

±

10%, regulated

Max loop impedance:  50 

 max. @ 12 V, 325 

 max. @ 18 V,

             600 

 max. @ 24V

Update rate:  100 ms

Accuracy:  

±

0.03 mA

Open-collector output:  Hi, Lo, Frequency, Pulse Programmable

Optically isolated, 50 mA
max. sink, 30 VDC max.
pull-up voltage.

2 .  Specifications

General

Compatibility:  +GF+ SIGNET Flow Sensors (w/freq out)
Accuracy:  

±

0.5 Hz

Enclosure:

Rating: NEMA 4X/IP65 front

Case:  PBT

Window:  Polyurethane coated polycarbonate

Keypad:  Sealed 4-key silicone rubber

Weight:  Approx. 325g (12 oz.)

Display:

Alphanumeric 2 x 16 LCD

Update rate:  1 second

Contrast:  User selected, 5 levels

Environmental

Operating temperature: -10  to 70

°

C (14 to 158

°

F)

Storage temperature:  -15 to 80

°

C (5 to 176

°

F)

Relative humidity:  0 to 95%, non-condensing

Standards and Approvals

CSA, CE, UL listed

Manufactured under ISO 9001

Flow

Flow 6.25 GPM

Total 1234567.8>

Relay 1

Relay 2

ENTER

Internal open-collector

output circuit

6

5

_

+

Isolation

15

S

D

seal

cable
gland

transmitter

seal

wires

quick-clip

gasket

panel

terminals

mounting
bracket

latch

3-8550.090-1

A-9/99 English

Отзывы: