MG ACTA Instruction Manual

INSTRUCTION MANUAL

BEFORE USE ....

Thank you for choosing us. Before use, please check con-
tents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact our sales office or representatives.
■ PACKAGE INCLUDES:
CT alarm (body + base socket + CT protector) ..................(1)
■ MODEL NO.
Confirm Model No. marking on the product to be 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

■ POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
AC power: Rating ±10%, 50/60 ±2 Hz, approx. 2VA
DC power: Rating ±10%, approx. 2W
or 85 – 150V, approx. 2W for 110V rating
■ GENERAL PRECAUTIONS
• Before you remove the unit from its base socket or mount
it, turn off the power supply and input signal for safety.
■ CT PROTECTOR
• Temperature of the CT Protector may rise if the signal
conditioner body is left unplugged from the base socket.
Be careful not to get burned when you need to touch it.
■ 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 +60°C
(23 to 140°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 sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
CT ALARM
MODEL

COMPONENT IDENTIFICATION

Body
Specifications
SET 1 AD
SET .1
A• U N IT
LIM IT AL AR M
HY STE RE
(DE AD BAN
SET .2
SET 2 AD

■ FRONT PANEL CONFIGURATION

Span Adj.
Zero Adj.
• Span Adj.
• Zero Adj.
• No. 1 Setpoint Adj.
Used for adjusting No. 1 alarm setpoint.
• No. 1 LED
Turns on when No. 1 alarm is tripped.
• No. 1 Deadband (hysteresis) Adj.
Used for adjusting No. 1 deadband (hysteresis) within 1 –
100%.
• No. 2 Deadband (hysteresis) Adj.
Used for adjusting No. 2 deadband (hysteresis) within 1 –
100%.
• No. 2 LED
Turns on when No. 2 alarm is tripped.
• No. 2 Setpoint Adj.
Used for adjusting No. 2 alarm setpoint.
ACTA/ACTE
Base Socket
J
CT Protector
SIS
D)
J
No.1 Setpoint Adj.
No.1 LED
No.1 Deadband (Hysteresis) Adj.
No.2 Deadband (Hysteresis) Adj.
No.2 LED
No.2 Setpoint Adj.
EM-2137 Rev.5 P. 1 / 3