(Read At Address Base+302/Write Coils 17 Through 32); Table 3-14. Sensor Type - MSA Ultima Instruction Manual Addendum

Table 13-13 ModBUS Command Word 2

(Read at address Base+302/Write Coils 17 through 32)

NAME
Sensor Swap Delay
Alert Option Enable
Acknowledge or
Reset Latched Alarms(ACK)
Reset Main Board and sensors 3
For future use
For future use
Reset Data Sheet - Sensor 1
Reset Data Sheet - Sensor 2
Reset Data Sheet - Sensor 3
Disable Sensor 1
Disable Sensor 2
Disable Sensor 3
Reserved for future use
Reserved for future use
Reserved for future use
Not used

Table 3-14. Sensor Type

SENSOR TYPE
VALUE SENSOR TYPE
13 COMB-1S 100% LEL, 1% LEL, 25% LEL (0.6% Propane)
257 CO 100 PPM, 1 PPM, MSA 25E/F, 60 PPM
258 CO 500 PPM, 1 PPM, MSA 25E/F, 300 PPM
259 SO 2 25 PPM, 1 PPM, CTL 7ST/F, 10 PPM
260 H 2 S 10.0 PPM, 0.1 PPM, MSA HS25B, 5.0 PPM
261 H 2 S 50.0 PPM, 0.1 PPM, MSA HS25B, 40 PPM
262 H 2 S 100 PPM, 1 PPM, MSA HS25D, 40 PPM
263 NO 100 PPM, 1 PPM, CTL 7NT, 50 PPM
264 NO 2 10.0 PPM, 0.1 PPM, MSA ND25C, 5.0 PPM
265 CL 2 5.0 PPM, 0.1 PPM, MSA CL25B, 2.0 PPM
266 HCN 50 PPM, 1 PPM, MSA HN25C, 10 PPM
267 HCL 50 PPM, 1 PPM, MSA HL25C, 40 PPM
12 O 2 25.0%, 0.1%, MSA 10019727, 20.8%
14 COMB-1S 100%LEL, 1% LEL, 40% LEL
3-10
BIT COIL FUNCTION DESCRIPTION
0 17 1-Enable, 0-Disable
1 18 1-Enable, 0-Disable
2 19 1 to initiate (same functionality as Push-
button or IR command)
20 1 to initiate
4 21
5 22
6 23 1 to initiate
7 24 1 to initiate
8 25 1 to initiate
9 26 1 to Disable
10 27 1 to Disable
11 28 1 to Disable
12 29
13 30
14 31
15 32