Campbell Scientific CR10X CR10X Measurement and Control System - Page 152

Input/output Instructions, Sdi-12 Recorder, Caution, Table 9-8., Sdi-12 Command Codes

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SECTION 9. INPUT/OUTPUT INSTRUCTIONS possible to control a maximum of 256 ports from the first three datalogger control ports. For each Rep, the 16 ports of the addressed SDM-CD16AC are sent according to 16 sequential input locations starting at the input location specified in parameter 3. Any non-zero value stored in an input location activates (connects to ground) the associated SDMCD16AC port. A value of zero (0) deactivates the port (open circuit). For example, assuming 2 Reps and a starting input location of 33, OUTPUT 1 through 16 of the first SDM-CD16AC are set according to input locations 33 through 48, and OUTPUT 1 through 16 of the second SDM-CD16AC are set according to input locations 49 through 64. See the SDM-CD16AC manual for detailed instructions and examples. PARAM. DATA NUMBER TYPE 01: 2 02: 2 03: 4 DESCRIPTION Reps (# of CD16AC modules sequentially addressed) Starting SDM Address (base 4: 00..33) Starting input location Input locations read: 16 per repetition *** 105 SDI-12 RECORDER *** NOTE: Version 1.2 of the SDI-12 specification has been implemented in the CR10X. Features added in this version are marked with a dagger (†) and may not be supported by older SDI-12 sensors. Instruction 105 allows data to be collected from SDI-12 sensors. The sensor's SDI-12 data line is connected to a control port (C1-C8). The SDI-12 ground should be connected to a "G" terminal on the CR10X wiring panel. SDI-12 power may be connected to 12V. If multiple SDI-12 sensors are used, up to ten sensors may be connected to a single control port, but each sensor must have a unique address and requires a separate Instruction 105. CAUTION: Instruction 97 with the voice option and the SDI-12 instructions may not be in same table. Instruction 97 must be in Table 1 and the SDI-12 instructions must be in Table 2. PARAM. DATA NUMBER TYPE DESCRIPTION 01: 4 Address (0-9, †10- 126) 02: 2 Command (Table 9-8) 03: 2 Control Port (C1-C8) 04: 4 Input location number 05: FP Mult 06: FP Offset Input locations altered: 1-9 (†1-99), depending on the SDI-12 sensor Intermediate locations required: 21 PARAMETER 1. ADDRESS Enter the address of the SDI-12 sensor (0-9). †Extended addresses (10-126) may be used by entering the decimal equivalent for the appropriate ASCII character (see Appendix E). For example, address 'A' would be entered as 65. PARAMETER 2. COMMAND Enter a number to select the command to be sent to the SDI-12 sensor. Usually 0 is entered to select the M command. The following Standard SDI-12 commands are supported by the CR10X: TABLE 9-8. SDI-12 Command Codes ENTRY COMMAND 0 M 0 -- C 1..9 M1..M9 10 V 11 I DESCRIPTION Initiate Measurement †Initiate Concurrent Measurement Additional Measurement commands specified by the SDI-12 sensor Initiate Verify sequence Send Identification 9-20

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SECTION 9.
INPUT/OUTPUT INSTRUCTIONS
9-20
possible to control a maximum of 256 ports
from the first three datalogger control ports.
For each Rep, the 16 ports of the addressed
SDM-CD16AC are sent according to 16
sequential input locations starting at the input
location specified in parameter 3.
Any non-zero
value stored in an input location activates
(connects to ground) the associated SDM-
CD16AC port.
A value of zero (0) deactivates
the port (open circuit).
For example, assuming 2
Reps and a starting input location of 33,
OUTPUT 1 through 16 of the first SDM-CD16AC
are set according to input locations 33 through
48, and OUTPUT 1 through 16 of the second
SDM-CD16AC are set according to input
locations 49 through 64.
See the SDM-CD16AC
manual for detailed instructions and examples.
PARAM.
DATA
NUMBER
TYPE
DESCRIPTION
01:
2
Reps (# of CD16AC
modules sequentially
addressed)
02:
2
Starting SDM Address
(base 4: 00..33)
03:
4
Starting input location
Input locations read:
16 per repetition
***
105
SDI-12 RECORDER
***
NOTE:
Version 1.2 of the SDI-12
specification has been implemented in the
CR10X.
Features added in this version are
marked with a dagger (†) and may not be
supported by older SDI-12 sensors.
Instruction 105 allows data to be collected from
SDI-12 sensors.
The sensor’s SDI-12 data line
is connected to a control port (C1-C8).
The
SDI-12 ground should be connected to a "G"
terminal on the CR10X wiring panel.
SDI-12
power may be connected to 12V.
If multiple SDI-12 sensors are used, up to ten
sensors may be connected to a single control
port, but each sensor must have a unique
address and requires a separate Instruction
105.
CAUTION:
Instruction 97 with the voice
option and the SDI-12 instructions may not
be in same table.
Instruction 97 must be in
Table 1 and the SDI-12 instructions must be
in Table 2.
PARAM.
DATA
NUMBER
TYPE
DESCRIPTION
01:
4
Address
(0-9, †10-
126)
02:
2
Command (Table 9-8)
03:
2
Control Port (C1-C8)
04:
4
Input location number
05:
FP
Mult
06:
FP
Offset
Input locations altered:
1-9 (†1-99), depending
on the SDI-12 sensor
Intermediate locations required:
21
PARAMETER 1.
ADDRESS
Enter the address of the SDI-12 sensor (0-9).
†Extended addresses (10-126) may be used by
entering the decimal equivalent for the
appropriate ASCII character (see Appendix E).
For example, address ‘A’ would be entered as
65.
PARAMETER 2.
COMMAND
Enter a number to select the command to be
sent to the SDI-12 sensor.
Usually 0 is entered
to select the M command.
The following
Standard SDI-12 commands are supported by
the CR10X:
TABLE 9-8.
SDI-12 Command Codes
ENTRY
COMMAND
DESCRIPTION
0
M
Initiate Measurement
0 --
C
†Initiate Concurrent
Measurement
1..9
M1..M9
Additional
Measurement
commands specified
by the SDI-12 sensor
10
V
Initiate Verify
sequence
11
I
Send Identification