GEM80-500 Series Controller
4. Serial Communications
(08/04)
GEM80-500 Technical Manual (T2025En)
Page 4-9
4.5.3
Operation as an ESP Control Port with Flexible Data Tables
Table 4-8 shows the P-table data for an ESP control port using flexible data tables.
Table 4-8 Configuring an ESP Control Port using Flexible Data Tables
Port 1
Port 2
Port 3
Port 4
Contents
P10
P30
P110
P130
Baud rate (110 to 19,200)
P11
P31
P111
P131
3 (Flexible ESP Control Port Mode)
P12
P32
P112
P132
0 = Free running Mode
1 = User control Mode
P13
P33
P113
P133
Bits 0 to 7 enable transmission to addresses 0 to
7
bits 8 to 15 unused
P14 P34 P114 P134 Number
of
tables to transmit/assign – Route 0
(Maximum Value 128)
P15 P35 P115 P135 Number
of
tables to transmit/assign – Route 1
(Maximum Value 128)
P16 P36 P116 P136 Number
of
tables to transmit/assign – Route 2
(Maximum Value 128)
P17 P37 P117 P137 Number
of
tables to transmit/assign – Route 3
(Maximum Value 128)
P18 P38 P118 P138 Number
of
tables to transmit/assign – Route 4
(Maximum Value 128)
P19 P39 P119 P139 Number
of
tables to transmit/assign – Route 5
(Maximum Value 128)
P20 P40 P120 P140 Number
of
tables to transmit/assign – Route 6
(Maximum Value 128)
P21 P41 P121 P141 Number
of
tables to transmit/assign – Route 7
(Maximum Value 128)
P22 to
P29
P42 to
P49
P122 to
P129
P142 to
P149
Unused
Note:
The maximum total number of tables to be shared between all the tributaries is 256 per
port.
J- and K-Tables for an ESP Control Port with Flexible Data Table Allocation
The following description is for Port 1, but applies equally to ports 2 to 4 if the relevant
tables are substituted.
Port 1 is configured as a control port with flexible data table allocation when P11 = 3.
The tables are allocated according to the two-byte values set in P14 to P21. The number
of tables allocated to a route is the greater of the high and low byte set in each P-table.
Each route is assigned consecutively as shown at Table 4-9. See also Table 4-10.
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