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Operation Using
a Programmable Logic Controller (PLC)
List of DCS Commands
Table 5 Dynamic Commands with Command ID
ID
Command
0
No OP
1 Write User ID
2WriteRecip
e
3
Write Flush Sequence
4
Write Fluid Control Mode
10 Read User ID
11 Read Reci
pe
12
Read Flush Sequence
13
Read Fluid Control Mode
14
Read Jo
bInfo
15
Read Alarm Info
16
Read Event Info
Write
User ID
The W
rite User ID command allows users to assign a User ID to a Job Log. See Usage Screen, page 64,for
more
details on Job Log and User ID. The User ID can be up to ten ASCII characters in length and is packaged
as th
ree little endian segments of ASCII characters. The return registers will echo the arguments received.
NOTE: The User ID character string must be terminated with a null character.
Example: Write a User ID of “John Doe” to the ProMix PD2K.
DCS Register
Parameter Description Data
Type
Units Value Range
DCS
Command
Wri
te User ID
uin
t32
NONE
10-1
6
Ar
gument 0
Us
er ID characters [3:0]
(A
SCII)
ui
nt32
NONE 0x6E686F4A = [‘n’,
’h’, ’o’, ’J’]
N/
A
A
rgument 1
U
ser ID characters [7:4]
(
ASCII)
u
int32
NONE 0x656F4420 = [‘e’,
’o’, ’D’, ’ ‘]
N
/A
Argument 2 User ID characters [9:8]
(ASCII)
uint32
NONE
0x0 = [null] N/A
Acknowledge
Command Acknowledged
uint32
NONE 2 = ACK
0-4
Return 0 User ID characters [3:0]
(ASCII)
uint32
NONE
0x6E686F4A N/A
Return 1 User ID characters [7:4]
(ASCII)
uint32
NONE
0x656F4420 N/A
Return 2 User ID characters [9:8]
(ASCII)
uint32
NONE
0x0 N/A
48 332564B