MAIMAN ELECTRONICS SF8025 - Page 11

Maiman Electronics SF8025, SF8075, SF8150, SF8300
10
Digital control connector
Wurth WR-MM 690157000872 or TE Connectivity 215083-8
Pin
Description
1
UART RXD
2
RS-232 RXD
3
UART ТXD
4
RS-232 TXD
5
Connected to Vin+
6
Interlock (duplicates pin 15 of analogue
control connector)
7
Crowbar status (duplicates pin 5 of
analogue control connector)
8
GND (connected to Vin- terminal)
Analogue control connector
Wurth WR-MM 6901 5700 20 72 or TE Connectivity 2-215083-0
PIN
I/O
Name
Description
1
O
+5V
Connected to Vin+.
2
I
TEC Enable
HIGH = operates, LOW = stop. Internally pulled down.
3
I
Laser Driver Enable
HIGH = operates, LOW = stop. Internally pulled down.
4
O
TEC Error
HIGH = fault, LOW = normal operation.
5
O
Laser Driver Overcurrent
HIGH = fault, LOW = normal operation.
6
O
+2.5V
Auxiliary +2.5V power supply.
Up to 10mA output current capability.
7
I
Laser Current Set
0-2.5V = 0-MAX current at the output.
8
GND
9
I
TEC temperature set
0V = 42°C, 2.5V = 16°C.
10
GND
11
O
Driver Current Monitor
0-2.5V = 0-MAX current at the output.
12
GND
13
O
TEC temperature monitor
0V = 42°C, 2.5V = 16°C.
14
GND
15
I
Interlock
Open = locked; Low = operates.
Internally pulled up.
16
GND
17
NTC Interlock
Connect NTC thermistor 10k between this pin and GND.
18
GND
19
Monitor PD Cathode
Connected to pin 4 of Butterfly.
20
Monitor PD Anode
Connected to pin 3 of Butterfly.