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Appendix C - AIN Registers

When using the Mux80 with a Modbus compatible device, such as the T7, use the following registers to read the extended analog inputs.

Mux80 AIN Registers
Name Start Address Type Access
AIN#(48:127) 96 FLOAT32 R
AIN#(48:127)_RANGE 40096 FLOAT32 R/W
AIN#(48:127)_NEGATIVE_CH 41048 UINT16 R/W
AIN#(48:127)_RESOLUTION_INDEX 41548 UINT16 R/W
AIN#(48:127)_SETTLING_US 42096 FLOAT32 R/W
AIN_ALL_RANGE 43900 FLOAT32 R/W
AIN_ALL_NEGATIVE_CH 43902 UINT16 R/W
AIN_ALL_RESOLUTION_INDEX 43903 UINT16 R/W
AIN_ALL_SETTLING_US 43904 FLOAT32 R/W
AIN#(48:127)
- Starting Address: 96
Returns the voltage of the specified analog input.
  • Data type: FLOAT32  (type index = 3)
  • Read-only
  • This register may be streamed
Expanded Names Addresses
AIN48, AIN49, AIN50, AIN51, AIN52, AIN53, AIN54, AIN55, AIN56, AIN57, AIN58, AIN59, AIN60, AIN61, AIN62, AIN63, AIN64, AIN65, AIN66, AIN67, AIN68, AIN69, AIN70, AIN71, AIN72, AIN73, AIN74, AIN75, AIN76, AIN77, AIN78, AIN79, AIN80, AIN81, AIN82, AIN83, AIN84, AIN85, AIN86, AIN87, AIN88, AIN89, AIN90, AIN91, AIN92, AIN93, AIN94, AIN95, AIN96, AIN97, AIN98, AIN99, AIN100, AIN101, AIN102, AIN103, AIN104, AIN105, AIN106, AIN107, AIN108, AIN109, AIN110, AIN111, AIN112, AIN113, AIN114, AIN115, AIN116, AIN117, AIN118, AIN119, AIN120, AIN121, AIN122, AIN123, AIN124, AIN125, AIN126, AIN127 Show All 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 182, 184, 186, 188, 190, 192, 194, 196, 198, 200, 202, 204, 206, 208, 210, 212, 214, 216, 218, 220, 222, 224, 226, 228, 230, 232, 234, 236, 238, 240, 242, 244, 246, 248, 250, 252, 254 Show All
AIN#(48:127)_RANGE
- Starting Address: 40096
The range/span of each analog input. Write the highest expected input voltage.
  • Data type: FLOAT32  (type index = 3)
  • Readable and writable
  • Default value: 0
  • T7-specific details: Valid values/ranges: 0.0=Default=> +/-10V, 10.0=> +/-10V, 1.0=> +/-1V, 0.1=> +/-0.1V, or 0.01=> +/-0.01V.
  • T4-specific details: Valid values/ranges: 0.0=Default=> 0-2.5 V on LV lines and ±10 V on HV lines.
Expanded Names Addresses
AIN48_RANGE, AIN49_RANGE, AIN50_RANGE, AIN51_RANGE, AIN52_RANGE, AIN53_RANGE, AIN54_RANGE, AIN55_RANGE, AIN56_RANGE, AIN57_RANGE, AIN58_RANGE, AIN59_RANGE, AIN60_RANGE, AIN61_RANGE, AIN62_RANGE, AIN63_RANGE, AIN64_RANGE, AIN65_RANGE, AIN66_RANGE, AIN67_RANGE, AIN68_RANGE, AIN69_RANGE, AIN70_RANGE, AIN71_RANGE, AIN72_RANGE, AIN73_RANGE, AIN74_RANGE, AIN75_RANGE, AIN76_RANGE, AIN77_RANGE, AIN78_RANGE, AIN79_RANGE, AIN80_RANGE, AIN81_RANGE, AIN82_RANGE, AIN83_RANGE, AIN84_RANGE, AIN85_RANGE, AIN86_RANGE, AIN87_RANGE, AIN88_RANGE, AIN89_RANGE, AIN90_RANGE, AIN91_RANGE, AIN92_RANGE, AIN93_RANGE, AIN94_RANGE, AIN95_RANGE, AIN96_RANGE, AIN97_RANGE, AIN98_RANGE, AIN99_RANGE, AIN100_RANGE, AIN101_RANGE, AIN102_RANGE, AIN103_RANGE, AIN104_RANGE, AIN105_RANGE, AIN106_RANGE, AIN107_RANGE, AIN108_RANGE, AIN109_RANGE, AIN110_RANGE, AIN111_RANGE, AIN112_RANGE, AIN113_RANGE, AIN114_RANGE, AIN115_RANGE, AIN116_RANGE, AIN117_RANGE, AIN118_RANGE, AIN119_RANGE, AIN120_RANGE, AIN121_RANGE, AIN122_RANGE, AIN123_RANGE, AIN124_RANGE, AIN125_RANGE, AIN126_RANGE, AIN127_RANGE Show All 40096, 40098, 40100, 40102, 40104, 40106, 40108, 40110, 40112, 40114, 40116, 40118, 40120, 40122, 40124, 40126, 40128, 40130, 40132, 40134, 40136, 40138, 40140, 40142, 40144, 40146, 40148, 40150, 40152, 40154, 40156, 40158, 40160, 40162, 40164, 40166, 40168, 40170, 40172, 40174, 40176, 40178, 40180, 40182, 40184, 40186, 40188, 40190, 40192, 40194, 40196, 40198, 40200, 40202, 40204, 40206, 40208, 40210, 40212, 40214, 40216, 40218, 40220, 40222, 40224, 40226, 40228, 40230, 40232, 40234, 40236, 40238, 40240, 40242, 40244, 40246, 40248, 40250, 40252, 40254 Show All
AIN#(48:127)_NEGATIVE_CH
- Starting Address: 41048
Specifies the negative channel to be used for each positive channel. 199=Default=> Single-Ended.
  • Data type: UINT16  (type index = 0)
  • Readable and writable
  • Default value: 199
  • T7-specific details: For base differential channels, positive must be even channel from 0-12 and negative must be positive+1. For extended channels 16-127, see Mux80 datasheet.
Expanded Names Addresses
AIN48_NEGATIVE_CH, AIN49_NEGATIVE_CH, AIN50_NEGATIVE_CH, AIN51_NEGATIVE_CH, AIN52_NEGATIVE_CH, AIN53_NEGATIVE_CH, AIN54_NEGATIVE_CH, AIN55_NEGATIVE_CH, AIN56_NEGATIVE_CH, AIN57_NEGATIVE_CH, AIN58_NEGATIVE_CH, AIN59_NEGATIVE_CH, AIN60_NEGATIVE_CH, AIN61_NEGATIVE_CH, AIN62_NEGATIVE_CH, AIN63_NEGATIVE_CH, AIN64_NEGATIVE_CH, AIN65_NEGATIVE_CH, AIN66_NEGATIVE_CH, AIN67_NEGATIVE_CH, AIN68_NEGATIVE_CH, AIN69_NEGATIVE_CH, AIN70_NEGATIVE_CH, AIN71_NEGATIVE_CH, AIN72_NEGATIVE_CH, AIN73_NEGATIVE_CH, AIN74_NEGATIVE_CH, AIN75_NEGATIVE_CH, AIN76_NEGATIVE_CH, AIN77_NEGATIVE_CH, AIN78_NEGATIVE_CH, AIN79_NEGATIVE_CH, AIN80_NEGATIVE_CH, AIN81_NEGATIVE_CH, AIN82_NEGATIVE_CH, AIN83_NEGATIVE_CH, AIN84_NEGATIVE_CH, AIN85_NEGATIVE_CH, AIN86_NEGATIVE_CH, AIN87_NEGATIVE_CH, AIN88_NEGATIVE_CH, AIN89_NEGATIVE_CH, AIN90_NEGATIVE_CH, AIN91_NEGATIVE_CH, AIN92_NEGATIVE_CH, AIN93_NEGATIVE_CH, AIN94_NEGATIVE_CH, AIN95_NEGATIVE_CH, AIN96_NEGATIVE_CH, AIN97_NEGATIVE_CH, AIN98_NEGATIVE_CH, AIN99_NEGATIVE_CH, AIN100_NEGATIVE_CH, AIN101_NEGATIVE_CH, AIN102_NEGATIVE_CH, AIN103_NEGATIVE_CH, AIN104_NEGATIVE_CH, AIN105_NEGATIVE_CH, AIN106_NEGATIVE_CH, AIN107_NEGATIVE_CH, AIN108_NEGATIVE_CH, AIN109_NEGATIVE_CH, AIN110_NEGATIVE_CH, AIN111_NEGATIVE_CH, AIN112_NEGATIVE_CH, AIN113_NEGATIVE_CH, AIN114_NEGATIVE_CH, AIN115_NEGATIVE_CH, AIN116_NEGATIVE_CH, AIN117_NEGATIVE_CH, AIN118_NEGATIVE_CH, AIN119_NEGATIVE_CH, AIN120_NEGATIVE_CH, AIN121_NEGATIVE_CH, AIN122_NEGATIVE_CH, AIN123_NEGATIVE_CH, AIN124_NEGATIVE_CH, AIN125_NEGATIVE_CH, AIN126_NEGATIVE_CH, AIN127_NEGATIVE_CH Show All 41048, 41049, 41050, 41051, 41052, 41053, 41054, 41055, 41056, 41057, 41058, 41059, 41060, 41061, 41062, 41063, 41064, 41065, 41066, 41067, 41068, 41069, 41070, 41071, 41072, 41073, 41074, 41075, 41076, 41077, 41078, 41079, 41080, 41081, 41082, 41083, 41084, 41085, 41086, 41087, 41088, 41089, 41090, 41091, 41092, 41093, 41094, 41095, 41096, 41097, 41098, 41099, 41100, 41101, 41102, 41103, 41104, 41105, 41106, 41107, 41108, 41109, 41110, 41111, 41112, 41113, 41114, 41115, 41116, 41117, 41118, 41119, 41120, 41121, 41122, 41123, 41124, 41125, 41126, 41127 Show All
AIN#(48:127)_RESOLUTION_INDEX
- Starting Address: 41548
The resolution index for command-response and AIN-EF readings. A larger resolution index generally results in lower noise and longer sample times.
  • Data type: UINT16  (type index = 0)
  • Readable and writable
  • Default value: 0
  • T7-specific details: Valid values: 0-8 for T7, 0-12 for T7-Pro. Default value of 0 corresponds to an index of 8 (T7) or 9 (T7-Pro).
  • T4-specific details: Valid values: 0-5. Default value of 0 corresponds to an index of 5.
Expanded Names Addresses
AIN48_RESOLUTION_INDEX, AIN49_RESOLUTION_INDEX, AIN50_RESOLUTION_INDEX, AIN51_RESOLUTION_INDEX, AIN52_RESOLUTION_INDEX, AIN53_RESOLUTION_INDEX, AIN54_RESOLUTION_INDEX, AIN55_RESOLUTION_INDEX, AIN56_RESOLUTION_INDEX, AIN57_RESOLUTION_INDEX, AIN58_RESOLUTION_INDEX, AIN59_RESOLUTION_INDEX, AIN60_RESOLUTION_INDEX, AIN61_RESOLUTION_INDEX, AIN62_RESOLUTION_INDEX, AIN63_RESOLUTION_INDEX, AIN64_RESOLUTION_INDEX, AIN65_RESOLUTION_INDEX, AIN66_RESOLUTION_INDEX, AIN67_RESOLUTION_INDEX, AIN68_RESOLUTION_INDEX, AIN69_RESOLUTION_INDEX, AIN70_RESOLUTION_INDEX, AIN71_RESOLUTION_INDEX, AIN72_RESOLUTION_INDEX, AIN73_RESOLUTION_INDEX, AIN74_RESOLUTION_INDEX, AIN75_RESOLUTION_INDEX, AIN76_RESOLUTION_INDEX, AIN77_RESOLUTION_INDEX, AIN78_RESOLUTION_INDEX, AIN79_RESOLUTION_INDEX, AIN80_RESOLUTION_INDEX, AIN81_RESOLUTION_INDEX, AIN82_RESOLUTION_INDEX, AIN83_RESOLUTION_INDEX, AIN84_RESOLUTION_INDEX, AIN85_RESOLUTION_INDEX, AIN86_RESOLUTION_INDEX, AIN87_RESOLUTION_INDEX, AIN88_RESOLUTION_INDEX, AIN89_RESOLUTION_INDEX, AIN90_RESOLUTION_INDEX, AIN91_RESOLUTION_INDEX, AIN92_RESOLUTION_INDEX, AIN93_RESOLUTION_INDEX, AIN94_RESOLUTION_INDEX, AIN95_RESOLUTION_INDEX, AIN96_RESOLUTION_INDEX, AIN97_RESOLUTION_INDEX, AIN98_RESOLUTION_INDEX, AIN99_RESOLUTION_INDEX, AIN100_RESOLUTION_INDEX, AIN101_RESOLUTION_INDEX, AIN102_RESOLUTION_INDEX, AIN103_RESOLUTION_INDEX, AIN104_RESOLUTION_INDEX, AIN105_RESOLUTION_INDEX, AIN106_RESOLUTION_INDEX, AIN107_RESOLUTION_INDEX, AIN108_RESOLUTION_INDEX, AIN109_RESOLUTION_INDEX, AIN110_RESOLUTION_INDEX, AIN111_RESOLUTION_INDEX, AIN112_RESOLUTION_INDEX, AIN113_RESOLUTION_INDEX, AIN114_RESOLUTION_INDEX, AIN115_RESOLUTION_INDEX, AIN116_RESOLUTION_INDEX, AIN117_RESOLUTION_INDEX, AIN118_RESOLUTION_INDEX, AIN119_RESOLUTION_INDEX, AIN120_RESOLUTION_INDEX, AIN121_RESOLUTION_INDEX, AIN122_RESOLUTION_INDEX, AIN123_RESOLUTION_INDEX, AIN124_RESOLUTION_INDEX, AIN125_RESOLUTION_INDEX, AIN126_RESOLUTION_INDEX, AIN127_RESOLUTION_INDEX Show All 41548, 41549, 41550, 41551, 41552, 41553, 41554, 41555, 41556, 41557, 41558, 41559, 41560, 41561, 41562, 41563, 41564, 41565, 41566, 41567, 41568, 41569, 41570, 41571, 41572, 41573, 41574, 41575, 41576, 41577, 41578, 41579, 41580, 41581, 41582, 41583, 41584, 41585, 41586, 41587, 41588, 41589, 41590, 41591, 41592, 41593, 41594, 41595, 41596, 41597, 41598, 41599, 41600, 41601, 41602, 41603, 41604, 41605, 41606, 41607, 41608, 41609, 41610, 41611, 41612, 41613, 41614, 41615, 41616, 41617, 41618, 41619, 41620, 41621, 41622, 41623, 41624, 41625, 41626, 41627 Show All
AIN#(48:127)_SETTLING_US
- Starting Address: 42096
Settling time for command-response and AIN-EF readings.
  • Data type: FLOAT32  (type index = 3)
  • Readable and writable
  • Default value: 0
  • Minimum firmware version: 0.9328
  • T7-specific details: 0 = Auto. Max is 50000 (microseconds).
  • T4-specific details: 0 = Auto. Max is 10000 (microseconds).
Expanded Names Addresses
AIN48_SETTLING_US, AIN49_SETTLING_US, AIN50_SETTLING_US, AIN51_SETTLING_US, AIN52_SETTLING_US, AIN53_SETTLING_US, AIN54_SETTLING_US, AIN55_SETTLING_US, AIN56_SETTLING_US, AIN57_SETTLING_US, AIN58_SETTLING_US, AIN59_SETTLING_US, AIN60_SETTLING_US, AIN61_SETTLING_US, AIN62_SETTLING_US, AIN63_SETTLING_US, AIN64_SETTLING_US, AIN65_SETTLING_US, AIN66_SETTLING_US, AIN67_SETTLING_US, AIN68_SETTLING_US, AIN69_SETTLING_US, AIN70_SETTLING_US, AIN71_SETTLING_US, AIN72_SETTLING_US, AIN73_SETTLING_US, AIN74_SETTLING_US, AIN75_SETTLING_US, AIN76_SETTLING_US, AIN77_SETTLING_US, AIN78_SETTLING_US, AIN79_SETTLING_US, AIN80_SETTLING_US, AIN81_SETTLING_US, AIN82_SETTLING_US, AIN83_SETTLING_US, AIN84_SETTLING_US, AIN85_SETTLING_US, AIN86_SETTLING_US, AIN87_SETTLING_US, AIN88_SETTLING_US, AIN89_SETTLING_US, AIN90_SETTLING_US, AIN91_SETTLING_US, AIN92_SETTLING_US, AIN93_SETTLING_US, AIN94_SETTLING_US, AIN95_SETTLING_US, AIN96_SETTLING_US, AIN97_SETTLING_US, AIN98_SETTLING_US, AIN99_SETTLING_US, AIN100_SETTLING_US, AIN101_SETTLING_US, AIN102_SETTLING_US, AIN103_SETTLING_US, AIN104_SETTLING_US, AIN105_SETTLING_US, AIN106_SETTLING_US, AIN107_SETTLING_US, AIN108_SETTLING_US, AIN109_SETTLING_US, AIN110_SETTLING_US, AIN111_SETTLING_US, AIN112_SETTLING_US, AIN113_SETTLING_US, AIN114_SETTLING_US, AIN115_SETTLING_US, AIN116_SETTLING_US, AIN117_SETTLING_US, AIN118_SETTLING_US, AIN119_SETTLING_US, AIN120_SETTLING_US, AIN121_SETTLING_US, AIN122_SETTLING_US, AIN123_SETTLING_US, AIN124_SETTLING_US, AIN125_SETTLING_US, AIN126_SETTLING_US, AIN127_SETTLING_US Show All 42096, 42098, 42100, 42102, 42104, 42106, 42108, 42110, 42112, 42114, 42116, 42118, 42120, 42122, 42124, 42126, 42128, 42130, 42132, 42134, 42136, 42138, 42140, 42142, 42144, 42146, 42148, 42150, 42152, 42154, 42156, 42158, 42160, 42162, 42164, 42166, 42168, 42170, 42172, 42174, 42176, 42178, 42180, 42182, 42184, 42186, 42188, 42190, 42192, 42194, 42196, 42198, 42200, 42202, 42204, 42206, 42208, 42210, 42212, 42214, 42216, 42218, 42220, 42222, 42224, 42226, 42228, 42230, 42232, 42234, 42236, 42238, 42240, 42242, 42244, 42246, 42248, 42250, 42252, 42254 Show All
AIN_ALL_RANGE
- Address: 43900
A write to this global parameter affects all AIN. A read will return the correct setting if all channels are set the same, but otherwise will return -9999.
  • Data type: FLOAT32  (type index = 3)
  • Readable and writable
  • Default value: 0
  • Minimum firmware version: 0.9328
AIN_ALL_NEGATIVE_CH
- Address: 43902
A write to this global parameter affects all AIN. Writing 1 will set all AINs to differential. Writing 199 will set all AINs to single-ended. A read will return 1 if all AINs are set to differential and 199 if all AINs are set to single-ended. If AIN configurations are not consistent 0xFFFF will be returned.
  • Data type: UINT16  (type index = 0)
  • Readable and writable
  • Default value: 199
  • Minimum firmware version: 0.9328
AIN_ALL_RESOLUTION_INDEX
- Address: 43903
The resolution index for command-response and AIN-EF readings. A larger resolution index generally results in lower noise and longer sample times. A write to this global parameter affects all AIN. A read will return the correct setting if all channels are set the same, but otherwise will return 0xFFFF.
  • Data type: UINT16  (type index = 0)
  • Readable and writable
  • Default value: 0
  • Minimum firmware version: 0.9328
  • T7-specific details: Valid values: 0-8 for T7, 0-12 for T7-Pro. Default value of 0 corresponds to an index of 8 (T7) or 9 (T7-Pro).
  • T4-specific details: Valid values: 0-5. Default value of 0 corresponds to an index of 5.
AIN_ALL_SETTLING_US
- Address: 43904
Settling time for command-response and AIN-EF readings. A write to this global parameter affects all AIN. A read will return the correct setting if all channels are set the same, but otherwise will return -9999. Max is 50,000 us.
  • Data type: FLOAT32  (type index = 3)
  • Readable and writable
  • Default value: 0
  • Minimum firmware version: 0.9328
  • T7-specific details: 0 = Auto. Max is 50000 (microseconds).
  • T4-specific details: 0 = Auto. Max is 10000 (microseconds).

For more information on multiplexing with the U6, see U6 Channel Numbers 

For more information on multiplexing with the UE9, see UE9 Channel Numbers