Bacharach MultiZone - MODB US Exception Responses; MODB US Gas Enumeration

Multi-Zone Gas Monitors
64 P/N: 3015-5074 Rev 11
Variable Type Length Description
Index
UI
2
Point to current reading
Time TIM 1300
Time record for each of the 100 log points. The format for the TIM type is
defined in note 2 of zone data
PPM
UI
200
Last 100 log points (2 byes per point)
B.3.25. MODBUS Exception Responses
The following MODBUS exception responses are supported by the unit.
01 Illegal Function
02 Illegal Data Address
03 Illegal Data Value
06 Slave Device Busy (Occurs only when MZ is connected to the bus through an RD and the RD is
not in the SYSTEM or ZONE VIEW screen)
B.3.26. MODBUS Gas Enumeration
The following table provides decimal and hexadecimal MODBUS enumerations for supported refrigerant
Refrigerant Gas DEC HEX Refrigerant Gas DEC HEX
CO
2
/R-744
0
00
R508B
21
15
NH
3
/R-717 0 00 H1301 22 16
R11
0
00
R408A
23
17
R12
1
01
FA188
24
18
R22
2
02
R236FA
25
19
R23
3
03
N1230
26
1A
R113
4
04
R227
27
1B
R114
5
05
HFP
28
1C
R123
6
06
FC72
29
1D
R124
7
07
R21
30
1E
R134A
8
08
R125
31
1F
R401A
9
09
H1211
32
20
R402A
10
0A
H2402
33
21
R402B
11
0B
R245FA
34
22
R404A
12
0C
R422A
35
23
R407A
13
0D
R422D
36
24
R407C
14
0E
R427A
37
25
R409A
15
0F
H1234YF
38
26
R410A 16 10 R424A 39 27
R500
17
11
R426A
40
28
R502 18 12 R438A 41 29
R503
19
13
R32
42
2A
R507
20
14