MSA Ultima Instruction Manual Addendum

Table 3-8. ModBUS Device Status (Read only)
DESCRIPTION ADDRESS POSSIBLE VALUES
General Status Bits Base+201 0..32767, See details below
Fault Status Bits Base+202 0..32767, See details below
Reserve Base+203
Gas Type - Sensor 1 Base+204 See TABLE 3-14 for details
Gas Type - Sensor 2 Base+205 See TABLE 3-14 for details
Gas Type - Sensor 3 Base+206 See TABLE 3-14 for details
Gas Level - Sensor 1 Base+207 Single Precision Float
Gas Level - Sensor 2 Base+209 Single Precision Float
Gas Level - Sensor 3 Base+211 Single Precision Float
Engineering Units - Sensor 1 Base+213 See TABLE 3-15 for details
Engineering Units - Sensor 2 Base+214 See TABLE 3-15 for details
Engineering Units - Sensor 3 Base+215 See TABLE 3-15 for details
Calibration Step Base+216 0. 30 Sec Countdown
to Start Zero
1. Waiting for Zero
2. 30 Sec Countdown
to Start SPAN
3. Waiting for SPAN
4. Calibration Aborted
5. Zero Cal Fault
6. Span Cal Fault
7. Calibration Completed Successfully
Temperature - Sensor 1 Base+217 Signed Integer
Temperature - Sensor 2 Base+218 Signed Integer
Temperature - Sensor 3 Base+219 Signed Integer
Min Gas Reading over
average Interval - Sensor 1 Base+220 Single Precision Float
Min Gas Reading over
average Interval - Sensor 2 Base+222 Single Precision Float
Min Gas Reading over
average Interval - Sensor 3 Base+224 Single Precision Float
Max Gas Reading over
average Interval - Sensor 1 Base+226 Single Precision Float
Max Gas Reading over
average Interval - Sensor 2 Base+228 Single Precision Float
Max Gas Reading over
average Interval - Sensor 3 Base+230 Single Precision Float
Avg Gas Reading over
average Interval - Sensor 1 Base+232 Single Precision Float
Avg Gas Reading over
average Interval - Sensor 2 Base+234 Single Precision Float
Avg Gas Reading over
average Interval - Sensor 3 Base+236 Single Precision Float
Date of Last Cal Year,
Sensor 1 Base+238 20XX
3-6

MSA Ultima Specifications

General

Brand	MSA
Model	Ultima
Category	Monitor
Language	English