Micom P634 - Page 378

Parameter Address
Default Min Max Unit Logic Diagram
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COMM1: ASDU1 / ASDU20 conv.
003 190
1: Single signal Fig. 3-8, (p. 3-13)
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Setting specifying whether telegram structure 1 or 20 shall be converted as a
single signal or double signal.
Note: This setting is hidden unless the IEC 870-5-101 protocol is set.
“ASDU”: Application Service Data Unit
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COMM1: ASDU2 conversion
003 191
1: Single signal Fig. 3-8, (p. 3-13)
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Setting specifying whether telegram structure 2 shall be converted as a single
signal or double signal.
Note: This setting is hidden unless the IEC 870-5-101 protocol is set.
“ASDU”: Application Service Data Unit
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COMM1: Initializ. signal
003 199
1: Yes Fig. 3-8, (p. 3-13)
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Setting specifying whether an initialization signal shall be issued.
Note: This setting is hidden unless the IEC 870-5-101 protocol is set.
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COMM1: Balanced operation
003 226
0: No Fig. 3-8, (p. 3-13)
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Setting that determines whether communication takes place on a balanced basis
(full duplex operation).
Note: This setting is hidden unless the IEC 870-5-101 protocol is set.
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COMM1: Direction bit
003 227
0 0 1 Fig. 3-8, (p. 3-13)
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Setting for the transmission direction. Normally this value will be set to '1' at
the control center and to '0' at the substation.
Note: This setting is hidden unless the IEC 870-5-101 protocol is enabled.
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COMM1: Time-out interval
003 228
0.40 0.10 2.55 s Fig. 3-8, (p. 3-13)
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Setting for the maximum time that will elapse until the status signal for the
acknowledgment command is issued.
Note: This setting is hidden unless the IEC 870-5-101 protocol is set.
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COMM1: Reg.asg. selec. cmds
003 210
060 000: MAIN: Without function Fig. 3-10, (p. 3-15)
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MODBUS registers in the range 00301 to 00400 are assigned to the selected
commands. Assignment is made in the order of selection. This means that the
first command is given the register no. 00301, the second the register no.
00302, etc.
Note: This setting is hidden unless the MODBUS protocol is enabled.
P634 7 Settings
7-24 P634/EN M/R-42-A // P634‑311‑653