TS4000
54
Table 27: Alarm Relay Settings
Byte
Function
Bit Position
Access
High
Not Used
15 MSB
Read
Not Used
14
Read
Not Used
13
Read
Not Used
12
Read
Not Used
11
Read
Not Used
10
Read
Latching / Non-Latching
9
Read / Write
Energized / De-Energized
8
Read / Write
Low
Set point
7-0
Read / Write
5.9.9 Warn Relay Settings (0x000E)
A read returns the present Warn settings of the TS4000. A write command changes the
settings to the requested values. The set points are programmable in 1% FS steps.
A 1 in the 9
th
bit position means the output is latching, a 0 means it is Non-Latching. A 1 in the
8
th
bit position means the output is normally energized a 0 means it is normally De-Energized.
The Warn set point cannot be set above the Alarm set point.
Factory Default Settings are as Follows:
•
For all gases, except O
2
,
factory default is 30% FS, non-latching, de-energized.
•
For O
2
, factory default is 19.5% by volume, non-latching, de-energized.
EXCEPTION:
Returns an Exception Code 03 (Illegal Data Value) if an illegal write is
requested.
Table 28: Warning Relay Settings
Byte
Function
Bit Position
Access
High
Not Used
15 MSB
Read
Not Used
14
Read
Not Used
13
Read
Not Used
12
Read
Not Used
11
Read
Not Used
10
Read
Latching / Non-Latching
9
Read / Write
Energized /
De-Energized
8
Read / Write
Low
Set point
7-0
Read / Write
5.9.10 Com1 Address (0x000F)
A read command returns the current address for Com1. A write command changes the address
to the requested value. Valid addresses are 1-247 decimal.
Factory
default is
1
.
EXCEPTION:
If the address is not in range an Illegal Data Value (03) is returned.