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Parameter
Controller
Commands
Controller Status
Scan Table
Equipment ID
Page 68
1
1
/
-DIN,
/
-DIN &
4
8
Modbus
ASCII Ident &
Parameter No.
Message Types
Type 3/4
122
RO
P6700, P8700& P4700 Model Group
1
/
- DIN Controllers & Indicators - Product Manual
16
Notes
Z
The Type 3 {DATA} field must be one
R/W
of three five-digit numbers:
00150 = Reset Limit Outputs
00160 = Reset Hold Value
00170 = Reset Exceed Time value
The response contains the same
{DATA}. A negative acknowledgement
will be returned if Reset in not
possible or already implemented.
L
Type 2
RO
]
Reads back main process values.
Type 2
RO
Response is:
cccccdddddeeeeeA* where:
aaaaa = Limit Setpoint value
bbbbb = Process Variable value
ccccc = Hold value
ddddd = Exceeded Time value
eeeee = Controller Status (see above)
The four digit model number 6700
Bits
Meaning
0
Alarm 1 status:
0 = Activated, 1 = Safe
1
Alarm 2 status:
0 = Activated, 1 = Safe
2
Not used
3
Change Indicator:
0 = No changes, since
Controller Status was
last read.
1 = A parameter other
than Controller Status
or PV has changed
4
Comms write status:
0 = Disabled
1 = Enabled
5
Not used
6
Not used
7
Not used
8
Not used
9
Limit status:
0 = Not Exceeded, 1 =
Exceeded
10
Limit Relay Status:
0 = safe, 1 = Latched
Off
11
Limit Action:
0 = Low Limit, 1 = High
Limit
12
Annunciator status:
0 = inactive, 1 = Active
L{N}25aaaaabbbbb
59305, Issue 5 – March 2005
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