12
REGISTER
ADDRESS *
REGISTER NAME
LOW LIMIT
†
HIGH LIMIT
†
ACCESS COMMENTS
40001 ADC reading N/A N/A Read Only ADC (Analog to Digital Converter) reading of present input level.
40002 Process Value N/A N/A Read Only Process Value (with gain and offset) of present input level.
40003 Floating Point LO N/A N/A Read Only
IEEE Standard 754 Floating Decimal Point, low order of Process Value. (Allows
32 bit accuracy for external monitoring.)
40004 Floating Point HI N/A N/A Read Only
IEEE Standard 754 Floating Decimal Point, high order of Process Value. (Allows
32 bit accuracy for external monitoring.)
40005 Min. ADC Reference N/A N/A Read Only ADC reading at minimum input established during calibration.
40006 Max. ADC Reference N/A N/A Read Only ADC reading at maximum input established during calibration.
40007 Input Range 0 17 Read/Write See Input Range Register Table.
40008 Filter Band 0 32000 Read/Write See Filter Band explanation.
40009 Filter Response Time 0 1000 Read/Write See Filter Response Time explanation (1 = 0.1 second).
40010 Gain Value -32000 32000 Read/Write See Offset and Gain explanation (1 = 0.001).
40011 Offset Value -32000 32000 Read/Write See Offset and Gain explanation.
40012 Alarm 2 Mode <0000> <0039> Read/Write See Alarm 1 & 2 Mode Register Table.
40013 Setpoint 2 Value -32000 32000 Read/Write Alarm 2 setpoint value based on Process Value.
40014 Alarm 2 Hysteresis 1 32000 Read/Write Alarm 2 hysteresis value based on Process Value.
40015 Alarm 2 Delay 0 32000 Read/Write Alarm 2 delay trip on time (1 = 1 second).
40016 Alarm 1 Mode <0000> <0034> Read/Write See Alarm 1 & 2 Mode Register Table.
40017 Setpoint 1 Value -32000 32000 Read/Write Alarm 1 setpoint value based on Process Value.
40018 Alarm 1 Hysteresis 1 32000 Read/Write Alarm 1 hysteresis value based on Process Value.
40019 Alarm 1 Delay 0 32000 Read/Write Alarm 1 delay trip on time (1 = 1 second).
40020 Transmit Delay 1 255 Read/Write Delay before serial transmission (1 = 1 msec). See Transmit Delay Explanation.
40021 Node (Unit) Address 1 247 Read/Write Node serial IAMS address.
40022 Error Coils <0000> <0003> Read/Write Mirror of Coils 9-14. See Coil Table.
40023 Comm. Coils <0020> <00FF> Read/Write Mirror of Coils 1-7. See Coil Table and Communication Table.
40024 Alarm 1 State 0 1 Read/Write Alarm 1 state. (1 = on)
40025 Alarm 2 State 0 1 Read/Write Alarm 2 state. (1 = on)
40026 Factory Calibration <0000> <7777> Read/Write See Calibration explanation.
41001- 41010 Slave ID See FC17. See FC17. Read Only
IAMS-3535, 0100 (ver. 1.00), 16 reads, 16 writes, 16 scratch. It is possible that
the version value is higher.
41101- 41116 GUID/Scratch <0000> <FFFF> Read/Write
This area is for the user to store any related information.
This register area does not affect IAMS operations.
COIL ADDRESS COIL NAME ACCESS COMMENTS
1 Baud B0 Read/Write See Communication Register and Coils Table.
2 Baud B1 Read/Write See Communication Register and Coils Table.
3 Baud B2 Read/Write See Communication Register and Coils Table.
4 Parity B3 Read/Write See Communication Register and Coils Table.
5 Parity B4 Read/Write See Communication Register and Coils Table.
6 Data Bits B5 Read/Write See Communication Register and Coils Table.
7 Mode B6 Read/Write See Communication Register and Coils Table.
8 Change B7 Read/Write “1” = change IAMS communications to above settings.
9 P. Checksum Error Read/Write “1” = Parameter checksum error, disables alarms, causes flashing LEDs.
10 C. Checksum Error Read/Write “1” = Calibration checksum error, disables alarms, causes flashing LEDs.
11 AL 1 Over Range Read Only “1” = Alarm 1 Threshold over range, disables alarms, causes no LED indication.
12 AL 2 Over Range Read Only “1” = Alarm 2 Threshold over range, disables alarms, causes no LED indication.
13 ADC Over Range Read Only “1” = ADC over range, causes Process Value to be ±32002, disables alarms.
14 G/O Over Range Read Only “1” = Gain and Offset over range, causes Process Value to be ±32001.
15 Not used Read Only “0” always.
16 Not used Read Only “0” always.
REGISTER TABLE
The below limits are shown as Integers or HEX < > values. Read and write functions can be performed in either Integers or HEX as long as the conversion was
done correctly. Negative numbers are represented by two’s complement.
COILS TABLE (COMMUNICATION AND ERRORS)
* For Input Registers, replace the 4xxxx with a 3xxxx in the above register address. The 3xxxx are a mirror of the 4xxxx Holding Registers.
†
An attempt to exceed a limit will set the register to its high or low limit value.
Coils 1-7 mirror register 40023 and Coils 9-14 mirror register 40022.
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