M-system AS4CT Instruction Manual

AS4CT

P. 1 / 4

EM-1603 Rev.6

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]

CT ALARM

(dual or quad alarm trip; eld-congurable)

MODEL

AS4CT

INSTRUCTION MANUAL

BEFORE USE ....

Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System’s Sales Office or representatives.

■ PACKAGE INCLUDES:

Signal conditioner (body + base socket + CT protector)

...... (1)

■ MODEL NO.

Confirm that the model number described on the product is
exactly what you ordered.

■ INSTRUCTION MANUAL

This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.

POINTS OF CAUTION

■ CONFORMITY WITH EU DIRECTIVES

•This equipment is suitable for use in a Pollution Degree
2 environment and in Measurement Category II (input,
output), Installation Category II (power input). Basic in­sulation (signal input to output to power input: 300 V)is
maintained. Prior to installation, check that the insula­tion class of this unit satisfies the system requirements.

•Altitude up to 2000 meters.

•The equipment must be mounted inside a panel.

•Insert a noise filter for the power source connected to the

unit. TDK-Lambda Noise Filter Model RSNA-2006 or
equivalent is recommended.

•The equipment must be installed such that appropriate
clearance and creepage distances are maintained to con­form to CE requirements. Failure to observe these re­quirements may invalidate the CE conformance.

•The actual installation environments such as panel con­figurations, connected devices, connected wires, may affect
the protection level of this unit when it is integrated in
a panel system. The user may have to review the CE re­quirements in regard to the whole system and employ ad­ditional protective measures to ensure the CE conformity.

■ POWER INPUT RATING & OPERATIONAL RANGE

•Locate the power input rating marked on the product and
confirm its operational range as indicated below:

100 – 240 V AC rating: 85 – 264 V, 47 – 66 Hz,

4.6 VA @ 100 V AC

5.9 VA @ 200 V AC

6.8 VA @ 264 V AC
24 V DC rating: 24 V ±10%, approx. 3.5 W
110 V DC rating: 85 – 150 V, approx. 3.5 W

■ GENERAL PRECAUTIONS

•Before you remove the unit from its base socket or mount
it, turn off the power supply and input signal for safety.

■ ENVIRONMENT

•Indoor use

•When heavy dust or metal particles are present in the

air, install the unit inside proper housing with sufficient
ventilation.

•Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.

•Environmental temperature must be within -5 to +55°C
(23 to 131°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.

■ WIRING

•Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).

•Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.

■ AND ....

•The unit is designed to function as soon as power is sup­plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.

COMPONENT IDENTIFICATION

INSTALLATION

Detach the yellow clamps located at the top and bottom of
the unit to separate the body from the base socket.

■ DIN RAIL MOUNTING

Set the base socket so that its
DIN rail adaptor is at the bot­tom. Position the upper hook
at the rear side of base socket
on the DIN rail and push in
the lower. When removing
the socket, push down the
DIN rail adaptor utilizing a
minus screwdriver and pull.

■ WALL MOUNTING

Refer to “EXTERNAL DI­MENSIONS.”

Body

Specifications

Base Socket

Connection Diagram

Clamp

(top & bottom)

DIN Rail

35mm wide

Spring Loaded

DIN Rail Adaptor

Shape and size of the base socket
are slightly different with various
socket types.

CT Protector

AS4CT

P. 2 / 4

EM-1603 Rev.6

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]

FRONT VIEW & PROGRAMMING

■ PROGRAMMING PROCEDURE

1) Press ITEM UP or DOWN key until ITEM display indicates
“01”.

2) Press DATA UP or DOWN key and choose “1” or “2” on DATA
display.

1 : Only alarm setpoints are modifiable.
2 : All parameters are modifiable.

3) Press ITEM UP or DOWN key until ITEM display shows the
ITEM No. you need to change.

4) Press DATA UP or DOWN key and choose a DATA No. or value
you need on DATA display.

5) Repeat above 3 and 4. (Entered data is stored when you move
to a new ITEM.)

6) Press ITEM UP or DOWN key until ITEM display indicates
“01”.

7) Press DATA UP or DOWN key and choose “0” on the display.

8) Press ITEM UP or DOWN key until ITEM display indicates
“P”. DATA display shows process input.

(You can now check data setting by choosing ITEM No.)
Note: DO NOT press UP and DOWN keys simultaneously.

L1

L2

L3

L4

ALARM

DATA

ITEM

DATA

ITEM

ITEM No. Display

DATA UP-DOWN Keys

ITEM No. UP-DOWN Keys

*Monitor LEDs

DATA Display

*L3 or L4 does not turn on for dual output type.

ITEM

MDF.

CODE

DATA CONTENTS DEFAULT SETTING

P N/A -1999 – 9999 Process input display in engineering unit (as set in ITEM 07/08) ----

L1
L2
L3
L4

1, 2
1, 2
1, 2
1, 2

-1999 – 9999

*

1

-1999 – 9999

*

1

-1999 – 9999

*

1

-1999 – 9999

*

1

L1 alarm setpoint in engineering unit
L2 alarm setpoint in engineering unit
L3 alarm setpoint in engineering unit

*

2

L4 alarm setpoint in engineering unit *

2

Quad: 20.0
Quad: 30.0
Quad: 70.0
Quad: 80.0

Dual: 20.0
Dual: 80.0

01 0, 1, 2 Modification code

0 : Data indication only.
1 : Only ITEM L1 – L4 are modifiable.
2 : All parameters are modifiable.

1

02 N/A 0 – 99

Status indication (“0” is normally indicated.)
0: Normal 1: Memory error 10: Out of input range -15 – +115%

03 N/A 6, 7 Input range 6: S1, 7: S5 Specified when ordering

04 N/A -15.0 – 115.0 Input indicated in % (as set in ITEM27, 28) ----

05
06

22-19.99 – 99.99

0.000 – 9.999

Zero adjustment (%) (fine adj. of the value set in ITEM 27)
Gain adjustment (fine adj. of the value set in ITEM 28)

0.00

1.000

07 2 -1999 – 9999 Display range scaling 0%

of the range set in ITEM 27/28. ITEM 07 < ITEM 08

0.0

08 2 -1999 – 9999 Display range scaling 100%

of the range set in ITEM 27/28. ITEM 07 < ITEM 08

100.0

09 2 0, 1, 2, 3

Decimal point position
(Specify the number of digits)

0 : _ _ _ _
1 : _ _ _ . _
2 : _ _ . _ _
3 : _ . _ _ _

1

10 2 0 – 99 Power ON-delay time (seconds) 5

11 2 0 – 99 Alarm ON-delay time (seconds) 0

12 2 0, 1, 2, 3, 4

Moving average (sampling cycle: 100 msec.)
0: No, 1: 4 samples, 2: 8 samples, 3: 16 samples, 4: 32 samples

0

13
14
15
16

2
2
2
2

0, 1
0, 1
0, 1
0, 1

L1 trip operation
L2 trip operation
L3 trip operation
L4 trip operation

(0: Lo, 1: Hi)
(0: Lo, 1: Hi)
(0: Lo, 1: Hi) *

2

(0: Lo, 1: Hi) *

2

Quad: 0
Quad: 0
Quad: 1
Quad: 1

Dual: 0
Dual: 1

17 2 0, 1 – 60 Power-saving mode

0 : Continuous display after the last access*

3

1 – 60 : Time before display turned off (minutes)

10

18
19
20
21

2
2
2
2

0, 1
0, 1
0, 1
0, 1

L1 coil at alarm (0: Energized, 1: De-energized)
L2 coil at alarm (0: Energized, 1: De-energized)
L3 coil at alarm (0: Energized, 1: De-energized)*

2

L4 coil at alarm (0: Energized, 1: De-energized)*

2

0
0
0
0

22 N/A ---- Version No. indication ----