Banner L-GAGE LT7 Series - Manual (Page 16)

L-GAGE® LT7 Long-Range Time-of-Flight Sensor
Banner Engineering Corp. • Minneapolis, MN U.S.A
www.bannerengineering.com • Tel: 763.544.3164
16
P/N 120244 Rev. B
SSI-Compatible Interface
T
Tv
Gn G1 G0 Gn-1
Tm
SSI Data
Clock
Figure 11. SSI-compatible interface timing
T = Duration of clock signal,
minimum 2 µSec = 500 kHz, max. 13 µSec = 77 kHz
Tv = Delay time max. 360 ns
Tm = Minimum time between last rising edge and reloading
of SSI approx. 24 µSec.
Gn = MSB (here Gray Code)
24 bit transmission: G1 = second LSB, G0 = LSB
24+E transmission: G1 = LSB, G0 = Error bit
25 bit transmission: G1 = second LSB, G0 = LSB
NOTE: With SSI-compatible transmission, data updates in synchronization with the readout
cycle. The data is as up-to-date as the time interval between two readouts. An
intermittent readout is therefore recommended. After a longer readout interval, the data
contents of the first readout can be “out-of-date” and should be ignored.
Command Data to LT7 Data from LT7 Meaning
Discrete Output Q2
IH2
000.. 254
or
000.. 999
ACK
Set Discrete Q2 Hysteresis
0 - 254 mm or
0" - 9.99"
IL2
Input desired limit value (not
including Offset)
ACK
Input Discrete Q2 Limit 1
0 - 12,000 mm or 0" - 480.00"*
Selected Offset value will be applied to this limit
IL5
Input desired limit value (not
including Offset)
ACK
Input Discrete Q2 Limit 2
0 - 12,000 mm or 0" - 480.00"*
Selected Offset value will be applied to this limit
IM2 0, 1, 2 ACK
Discrete Output Q2 Mode
0: Inactive
1: 1 switching point
2: 2 switching points
IN2 0, 1 ACK
Invert Discrete Output Q2
0: Q
1: Q inverted
Analog Output QA (Diffuse sensor models only)
IL3
Input desired limit value (not
including Offset)
ACK
Input Analog QA Limit 1
0 - 12,000 mm or 0" - 480.00"*
Selected Offset value will be applied to this limit
IL6
Input desired limit value (not
including Offset)
ACK
Input Analog QA Limit 2
0 - 12,000 mm or 0" - 480.00"*
Selected Offset value will be applied to this limit
INA 0, 1 ACK
Invert Analog Output QA
0: Q
1: Q inverted
*Decimal point and comma are “imaginary.” Do not input commas or periods in data (e.g., 12000 for mm or 48000 for inches).