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SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182E-MAIL: szss20@163.com
FUNCTIONAL DESCRIPTION
This section provides a technical overview of the M090 series.
Block Diagram Hardware Description.
The block diagram of the 090 series is shown as Figure 1.
260VAC
15A (MAX)
M090 Main ECB
Figure 1: 090 Series Block Diagram
Overview
The 090 Series controller's main ECB contains the power supply as well as controller logic and
implements the user interface consisting of two buttons ('UP' and 'DOWN') and a numeric LED
display. The process sensor (various temperature sensors and voltage inputs are supported
depending on the exact controller configuration) and line voltage operating power are the inputs
to the main ECB. The controller's load and alarm outputs are generated as isolated, TTL level
signals on the main ECB and used to actuate the alarm relay and load contacts located on the
Power ECB.
A maximum of two power ECBs can be connected to each main ECB. The power ECB
implements an optically isolated, electrically floating triac. The two power terminals of the triac
(MT1 & MT2) are terminated with ¼" 'quick connect' tabs and intended to be connected in
series with the controlled load as shown in Figure 1. The 090 series triac power ECBs can
control only alternating current. Do not attempt to use them for controlling direct current loads.
2/21/05
SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL: szss20@163.com
090 Series Reference Manual
M090 Main Power ECB
(With Optional Alarm Relay)
LOAD
Optically
Isolated
Triac
Drive
Relay & Driver
OPTIONAL
UP
DOWN
SENSOR
INPUT
*LOAD1
+5V
GND
RELAY
(optional)
3
2
+5V
GND
J4
J5
HOT
NEUT
SAFETY
GND
Digital Control Systems
M090 Auxilary
Power ECB
LOAD
Optically
Isolated
Triac
3
Drive
*LOAD2
90 - 280VAC
50 - 60 Hz
260VAC
15A (M A
Page: 5
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