Maxim Integrated 6613_OMU_2+2S_URT_V100 - Manual (Page 36)

6613_OMU_2+2S_URT_V1_00 Firmware Description Document UG_6613_060
36 Rev. 1.1
6.2 CE Parameters
Table 5 lists the CE parameters configurable by the 6613_OMU_2+2S_URT_v100 Firmware. The user
does not need to alter any of these parameters.
Table 5: CE Parameters
CE
Parameter
Location
(hex)
LSB Default Comment Example
CAL IA 08
16384 is
the default
and is a
gain of 1.
32767 is
max giving
a gain of
2.
+13873
Gain constant for IA
input.
If current on channel A is low by 1%
scale the nominal number, 16384 by
1/(1-0.01). Number to be entered would
be 16549:
]08=+16549
If current on channel A is high by 1%
scale the nominal number, 16384 by
1/(1+0.01). Number to be entered would
be 16222:
]08=+16222
CAL IB 09
16384 is
the default
and is a
gain of 1.
32767 is
max giving
a gain of
2.
+13873
Gain constant for IB
input.
If current on channel B is low by 1%
scale the nominal number, 16384 by
1/(1-0.01). Number to be entered would
be 16549:
]08=+16549
If current on channel B is high by 1%
scale the nominal number, 16384 by
1/(1+0.01). Number to be entered would
be 16222:
]08=+16222
CAL VA 0A
16384 is
the default
and is a
gain of 1.
32767 is
max giving
a gain of
2.
+16384
Gain constant for
VA input.
If voltage on channel A is low by 1%
scale the nominal number, 16384 by
1/(1-0.01). Number to be entered would
be 16549:
]0A=+16549
If current on channel A is high by 1%
scale the nominal number, 16384 by
1/(1+0.01). Number to be entered would
be 16222:
]0A=+16222
CAL VB 0B
16384 is
the default
and is a
gain of 1.
32767 is
max giving
a gain of
2.
+16384
Gain constant for
VB input.
If voltage on channel B is low by 1%
scale the nominal number, 16384 by
1/(1-0.01). Number to be entered would
be 16549:
]0A=+16549
If current on channel B is high by 1%
scale the nominal number, 16384 by
1/(1+0.01). Number to be entered would
be 16222:
]0A=+16222
PHASE_
ADJ_IA
0C
-16384
≤
PHASE_A
DJ_IA
≤
+16384
0
Phase adjustment
=15 *
PHASE_ADJ_IA *
2
-14
(degrees)
No adjustment should be necessary
when using current shunts.
PHASE_
ADJ_IB
0D
-16384
≤
PHASE_A
DJ_IB
≤
+16384
0
Phase adjustment
=15 *
PHASE_ADJ_IB *
2
-14
(degrees)
No adjustment should be necessary
when using current shunts.