HRW HPD0460MR, Manual

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HRW HPD0460MR V402 Manual 150622.docx E. & O. E. / Subject to change without notice Page 7 of 32
U16 Registers Float32 Registers Prio Set Registers
Point Block Modbus Type Integer IEEE Floating Point Integer
77 PB 1 Holding Register 77 1154 577
78 PB 2 Holding Register 78 1156 578
79 PB 3 Holding Register 79 1158 579
80 PB 4 Holding Register 80 1160 580
81 PB 5 Holding Register 81 1162 581
82 PB 6 Holding Register 82 1164 582
83 PB 7 Holding Register 83 1166 583
84 PB 8 Holding Register 84 1168 584
85 IntTm 1 Holding Register 85 1170 585
86 IntTm 2 Holding Register 86 1172 586
87 IntTm 3 Holding Register 87 1174 587
88 IntTm 4 Holding Register 88 1176 588
89 IntTm 5 Holding Register 89 1178 589
90 IntTm 6 Holding Register 90 1180 590
91 IntTm 7 Holding Register 91 1182 591
92 IntTm 8 Holding Register 92 1184 592
Priority Levels
A priority level is possible for each register to enable local or master override, and setting of start-up
defaults.

Registers are Null priority by default, signified by a value of 17, read in the 500’s register range

Manual commands via terminal mode operate at prio. level 9 and are remembered after a
power reset if written (W) during terminal mode

In terminal mode, Release (R) of a manual results in a register reverting to Null priority

Commands from the network are at prio. 8

Setting a point’s priority to a value of 0 (zero) will Write the point’s current value as the start-up
default

Setting a point’s priority to a value from 1…7 will lock the point’s current value so that it cannot
be changed

Setting a point’s priority to Null (17) will unlock the point so future changes to the point’s value
may be made
Example, based on point 45, used as a temperature set point:

Change set point to a value of 22.5 °C
o
1090=22.5
o
Being an analogue value we have used the IEEE Floating Point register range, based
on the formula 45 x 2 +1000 = 1090

Write current value as a start up default
o
545=0

Lock current value
o
545=1

Release current value for future change
o
545=17