Marzhauser Sensotech PROFILER ST, Operating Manual

Page: 179 / 196

179
Technical Data PROFILER ST
EN
14.4 Ports
On all ports, the cable shield is connected to the housing of the
PROFILER ST.
14.4.1 Encoder 1–3: D-Sub 9-Pin Socket
Pin assignment for TTL (RS-422) measuring systems
Pin Signal Function
1 –U1 negative U1
1
2 GND reference potential
3 –U2 negative U2
1
4 ERR error
2
5 –U0 –reference mark measuring
system
1
6 +U1 positive U1
1
7 VCC5 power supply 5 V
3
8 +U2 positive U2
1
9 +U0 +reference mark measuring
system
1
1
output signal: TTL, differential transmission, R
L
= 120 Ω
2
TTL input, pull-down resistor 1 kΩ

GND,
low pass 1 kΩ/10 nF
3
max. 500 mA, total load of all VCC5 ports max. 800 mA