Huawei EMU, User Manual

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Item Measured Object Specification
Analog signal Measurement range 4 mA to 20 mA or 0 V to 5 V
Measurement precision ±1%
Relay output control Control response time < 1s
Dry contact output
capacity Withstood voltage: 110 V DC, 125 V
AC; maximum load current: 1 A (30 V
DC)
Communication rate RS-232 and RS-485 9600 bit/s
Performance specifications of the EMU
Table 2-14 lists the performance specifications of the EMU.
Table 2-14 Performance specifications of the EMU
Item Specification
Storage temperature
-40
o
C [-40
o
F] to +70
o
C [158
o
F] (no condensing)
Working temperature
-5
o
C [23
o
F] to 55
o
C [131
o
F]
Storage humidity 5% RH to 95% RH
Working humidity 10%RH to 90%RH
Working voltage type DC
Rated working voltage -48 V
Rated working current 0.2 A
Outline dimensions (including the
dimensions of mounting ear) 252 mm [9.92 in.] x 258 mm [10.16 in.] x 98 mm
[3.86 in.]
Outline dimensions (excluding the size of
mounting ear) 252 mm [9.92 in.] x 219 mm [8.62 in.] x 91 mm
[ 3.58 in.] (including the dimensions of the cord
end terminal)
252 mm [9.92 in.] x 209 mm [8.23 in.] x 91 mm
[ 3.58 in.] (excluding the dimensions of the cord
end terminal)
Net weight Model A: 2.5 kg [5.51 lb]
Model A: 2.8 kg [6.17 lb]
2 Overview of the EMU
EMU
User Guide
2-20 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 13 (2009-12-30)