epc120
5. Parameter Setting Registers 0/16
Parameter
Name
Register No.
Bit No.
Function
RAM
ROM
FUSEBIT
0
16
0
This bit will automatically be set when register 16 is programmed.
0
Values
Register 16 is not
0
programmed
1
Register 16 is programmed
POL
0
16
1
Polarity of the LED pulse. Setting is depending on the LED driver circuitry.
1
Values
Default Setting
0
active low
X
1
active high
TPULSE
0
16
4..2
Pulse length of the light pulse. Setting is dependent on the LED type, the LED current, the
required response time of the system, the scan rate, the operating range, the lens, etc.
4
3
2
Values
Default
Setting
Recommended Setting
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1μs
2μs
3μs
4μs
5μs
6μs
7μs
8μs
X
X (typical setting)
n/a
0
0
16
16
5
no function, must be set to “0”
TSTMP
8..6
Time stamp. The LED pulse is generates in the middle of the time stamp range.
8
0
0
0
0
1
1
1
1
7
0
0
1
1
0
0
1
1
6
0
1
0
1
0
1
0
1
Values
30μs
Default Setting Recommended Setting
This parameter should be set to the same length as the
X
receive window length, given by the scanning time by
the microcontroller. I.e., if the time between the SCAN
commands issued by the micro processor is 60μs, this
parameter should be set to 60μs.
60μs
90μs
120μs
150μs
180μs
210μs
240μs
DRATE
0
16
10..9
Data rate on the 2-wire bus
10
9
0
1
0
1
Values
250 kbit/s
500 kbit/s
1 Mbit/s
Default Setting Recommended Setting
0
0
1
1
X
if the physical 2-wire bus length is up to 100 meters
2 Mbit/s
if the physical 2-wire bus length is less than 3 meters
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© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
12
Datasheet epc12x - V2.1
www.espros.ch
EPC [ ESPROS PHOTONICS CORP ]
