44
Model S4000TH
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
R/W
Energized/De-Energized
8
R/W
Low Set
point
(7-0) R/W
8.8.14 Warn Settings (0EH)
A read returns the present warn settings of the S4000TH. A write command changes the
settings to the requested values. The set points are programmable in 5% FS steps (1% FS
steps for 20 ppm range).
NOTE:
The maximum alarm setting for the S4000TH is 60% FS.
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 is 30% FS, non-latching, de-energized. The maximum allowable set
point is 50 ppm.
Exception: Returns an Exception Code 01 (illegal function) if an illegal write is requested.
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
R/W
Energized/De-Energized
8
R/W
Low Set
point
(7-0) R/W
8.8.15 Com1 Address (0FH)
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.
8.8.16 Com1 Baud Rate (10H)
A read command returns the current baud rate for Com1. A write command changes the baud
rate to the requested values. Valid settings are shown in the table on the following page.
Factory default is 19200.
