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2 Overview of the EMUA
Figure 2-5 Exterior of the EMUA of type C
Figure 2-6 Front panel of the EMUA of type C
(1) Indicator
(4) Port for smoke sensors
(7) 16/32 ports for the detection of
Boolean signals
(10) Port for humidity/temperature
sensors
(13) Grounding screw
2.3 Internal Structure of the EMUA
This describes the internal structure of the EMUA.
Board Layout
Figure 2-7
2-6
8
1
2
3
RS-485
RUN
ALM
24V3
12V3
ANA3
GND3
24V4
12V4
ANA4
GND4
24VI
12VI
OPTI
-
+
-
+
RS-232
24V1
12V1
ANA1
GND1
24V2
12V2
ANA2
GND2
24VT
TEMP
24VH
PWR1 PWR2
9
12
10
(2) Four ports for analog signal sensors (3) Port for infrared sensors
(5) Port for door status sensors
(8) Two RS-485 ports
(11) Port for water sensors
(14) Commissioning serial port
shows the board layout inside the EMUA of type A or B.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4
5
6
7
GND
24VS
Smoke
12VG
GATE
RE5+
RE5-
RE6+
RE6-
NC
NC
NC
NC
S29+
S29-
S30+
S30-
S31+
S31-
S32+
S32-
HUMI
24VW
12VW
Water
GND
RE1+
RE1-
RE2+
RE2-
RE3+
RE3-
RE4+
RE4-
S25+
S25-
S26+
S26-
S27+
S27-
S28+
S28-
11
S21+
S21-
S22+
S22-
S23+
S23-
S24+
S24-
S13+
S13-
S14+
S14-
S15+
S15-
S16+
S16-
S5+
S5-
S6+
S6-
S7+
S17+
S17-
S18+
S18-
S19+
S19-
S20+
S20-
S9+
S9-
S10+
S10-
S11+
S11-
S12+
S12-
S1+
S1-
S2+
S2-
S3+
(6) Six ports for Boolean signal
output
(9) Wiring terminal for the
power supply
(12) RS-232 port
Issue 10 (2010-03-30)
EMUA
User Guide
S7
S8+
S8-
S3-
S4+
S4-
TX+
TX-
RX+
RX-
14
13
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