Table 3-5 Meanings and settings of the H304ESC S4-S8
Jumper Settings Meanings Default
Settings
S4 1-2 connected The serial port SIO1 is
RS-232.
1-2 connected
2-3 connected The serial port SIO1 is
RS-422.
S5 1-2 connected The serial port SIO2 is
RS-232.
1-2 connected
2-3 connected The serial port SIO2 is
RS-422.
S6-S8 2-3 of S7 connected; 1-2 of S6
and S8 connected
The serial port SIO3 is
RS-232.
2-3 of S7
connected; 1-2
of S6 and S8
connected
2-3 of S7 and S8 connected; 1-2
of S6 connected
The serial port SIO3 is
RS-422.
DIP switch S2 is used to set the type of external analog sensors. Table 3-6 provides the meanings
and settings of S2.
Table 3-6 Meanings and settings of the H304ESC S2
DIP
Switch
Settings Meanings Default Settings
S2-1 ON The external sensor of JTA1 is of the current
type.
OFF
OFF The external sensor of JTA1 is of the
voltage type.
S2-2 ON The external sensor of JTA2 is of the current
type.
OFF
OFF The external sensor of JTA2 is of the
voltage type.
S2-3 ON The external sensor of JTA3 is of the current
type.
OFF
OFF The external sensor of JTA3 is of the
voltage type.
S2-4 Reserved - -
DIP switch S3 is used to set the reporting mode and ratio. Table 3-7 provides the meanings and
settings of S3.
UA5000 Universal Access Unit Product
Commissioning Guide-PVM CLI 3 Stand-Alone Commissioning
Issue 04 (2012-06-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
14
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