Sensor LDU 68 Series, Manual

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5 COMMANDS
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Page 12 LDU 68 Series Manual
For better clarity, all commands are divided into groups as described on the following pages.
5.1 System diagnostic Commands - ID, IV, IS, SR 13
5.2 Checkweigher Commands - SD, MT, TE, TL, TR, GA, SA 15
5.3 Calibration Commands - CE, CM, DS, DP, CZ, CG, ZT, FD, CS, ZI 18
5.4 Motion detection Commands - NR, NT 21
5.5 Filter setting Commands - FL, FF, UR 22
5.6 Set Zero/Tare and Reset Zero/Tare Commands - SZ, RZ, ST, RT 23
5.7 Output Commands - GG, GN, GT, GS, GF, GW, GA 25
5.8 Auto-transmit Commands - SG, SN, SF, SW, SA 27
5.9 Commands for external I/O control - IN, IO, IM 28
5.10 Setpoint Commands - Sn, Hn, An 30
5.11 Communication setup Commands - AD, CL, BR, DX, OP, TD 32
5.12 Save calibration, setup & setpoint parameters Commands - CS, WP, SS, PI, GI 34
Issue 1h
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Use these commands to get the LDU XX.X type, firmware version or device status. These
commands are sent without parameters.
Leftmost 3-digit value: Rightmost 3-digit value:
1 Signal stable 1 (not used)
2 Zero action performed
2 (not used)
4 Tare active 4 (not used)
8 (not used) 8 (not used)
16 (not used)
16
(not used)
32 (not used)
32
(not used)
64 Output 0 active 64 (not used)
128 Output 1 active 128 (not used)
IS Request device status
Master (PC / PLC) sends
IS S:067000 (example)
LDU XX.X responds
The response to this request comprises of two 3-digit decimal values, which can be decoded
according to the table below:
For example the result S:067000 decodes as follows:
Signal Stable (no-motion) 1
Zero action 2
Output 0 active 64
Total 67
Please note that the bits that are not used are set to zero.
Master (PC / PLC) sends
IV V:0300
LDU XX.X responds
The response to this request gives the firmware version of the active device.
IV Request of firmware version
ID Request of device identity
Master (PC / PLC) sends
ID D:6810
LDU XX.X responds
The response to this request gives the actual identity of the active device. This is particularly useful
when trying to identify different device types on a bus.
5.1 System diagnosis Commands – ID, IV, IS, SR
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