Communication
15
3.4.3
Type B (Standard Command)
The data transmission starts when a command is received from an external source (PC).
PC DSX-1000
Figure 3-3. Type B (Standard Command) Communication
3.5
Setpoint Interface
3.5.1
Specification
•
Interface — Open collector (passive) type
•
Max. Rated Input Voltage — 24 VDC
•
Max. Rated Current
— 50 mA
•
External Power (VEXT) — (6-15 VDC) 12 VDC Recommended. Max current draw from external power
supply (VEXT) - VDC 100 mA (2 x 50 mA)
3.5.2
Pin Assignment
Table 3-5. Internal Pin Assignments of DIGI DSX-1000
CN3 (6 pins)
1
SP1
2
GND
3
SP2
