GST DC-9503E Bedienungsanleitung

30310469 Issue 1.04

Features

Isolation of short circuit, automatic restore when

short circuit is cleared.

Maximum output current is 1A.

DIN-Rail mounted or Wall mounted.

Standard: EN 54-17:2005

Description

In fire alarm system, such condition often occurs that

partial short circuit of loop affects the whole system.

DC-9503E Loop Isolator（hereinafter referred to as the

isolator）can isolate the shorted circuit from the whole

system to ensure normal operation of other devices

and help locate the devices in fault. After the short

circuit fault is cleared, those devices will be

re-introduced into the system.

The isolator is suitable for use in the loop of

addressable fire alarm system.

Connection & Cabling

Terminals of the isolator are shown in Fig. 1.

Fig.1

(I+, I-) IN & OUT: input signal loop, I+ is positive and I-

is negative.

O+, O-: output signal loop, O+ is positive and O- is

negative.

Recommended Wiring: 1.0mm2 or above twisted pair.

Wires should not be laid out in the same conduit or

raceway with Class 1 wires such as power cables,

high and low voltage distribution cables and so on.

Installation

1) Before installation, make sure the enclosure is in

good condition and markings are complete.

2) The isolator can be mounted on a 35mm

DIN-Rail as shown on Fig. 2.

3) The isolator can also be wall mounted by 4

mounting screws as shown in Fig. 3. Mounting

space is 67mm.

Fig. 2

Fig. 3

Application

System connection is shown in Fig. 4. Note: Terminals

of the isolator have polarities.

2831-CPR-F2019

GST-0017-01

548n/05

DC-9503E

Loop Isolator

30310469 Issue 1.04

Fig. 4

Specification

Operating Voltage

Loop: 24VDC (16V - 28V)

Power Limited

Standby Current

≤ 0.15mA

Action Current

≤ 1.5mA

Capacity

Maximum 70 devices

Indicator

Yellow, flashes in standby

state, steady in fault.

Wiring

Two wire

Maximum Line Voltage

( VMAX)

28V

Minimum Line Voltage

( VMIN)

16V

Maximum Continuous

Current( IC MAX)

Maximum Transient

Output Current( IS

MAX)

Maximum Open

Voltage （VSO MAX)

11V

Minimum Open

Voltage( VSO MIN)

Maximum Close

Voltage( VSC MAX)

Minimum Close

Current( VSC MIN)

1.4V

Maximum Leakage

Current( IL MAX)

7.5mA

Max closed

impedance ( ZC MAX)

0.15Ω

Operating

Temperature

-10°C - +55°C

Relative Humidity

≤ 95%, non-condensing

Ingress Protection

Rating

IP30

Material and Color of

Enclosure

ABS, white (RAL9016)

Compatible DIN-Rail

35mm DIN-Rails

Dimension (L×W×H)

78mm×45.3mm×28.5mm

Weight

About 41.4g

Limited Warranty

GST warrants that the product will be free from defects

in design, materials and workmanship during the

warranty period. This warranty shall not apply to any

product that is found to have been improperly installed

or used in any way not in accordance with the

instructions supplied with the product. Anybody,

including the agents, distributors or employees, is not

in the position to amend the contents of this warranty.

Please contact your local distributor for products not

covered by this warranty.

Product warnings and disclaimers

THESE PRODUCTS ARE INTENDED FOR SALE TO,

AND INSTALLATION BY, AN EXPERIENCED

SECURITY PROFESSIONAL. UTC FIRE &

SECURITY CANNOT PROVIDE ANY ASSURANCE

THAT ANY PERSON OR ENTITY BUYING ITS

PRODUCTS, INCLUDING ANY “AUTHORIZED

DEALER”, IS PROPERLY TRAINED OR

EXPERIENCED TO CORRECTLY INSTALL

SECURITY RELATED PRODUCTS.

For more information on warranty disclaimers and

product safety information, please check

https://firesecurityproducts.com/policy/product-warnin

g/ or scan the following code:

This Data Sheet is subject to change without notice. Please contact GST for more information or questions.

Gulf Security Technology Co., Ltd.

No. 80, Changjiang East Road, QETDZ, Qinhuangdao, Hebei, P. R. China 066004

Tel: +86 (0) 335 8502434 Fax: +86 (0) 335 8502532

service.gs[email protected].com www.gst.com.cn

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