User guide

enFORCE DSP1500 Main Unit Hardware Manual
(Rev. 4.0) PAGE 5 - 18
Chapter 5: Control Interfaces
5.4.1 Component Descriptions
Fieldbus Interface Connectors
Bus IN
Pin No.
Signal Description
Housing
PE Protective Earth Ground
1
DO1 Data Output
2
DI1 Data Input
3
GND Signal Ground
4
NC -
5
NC -
6
/DO1 Inverted Data Output
7
/DI1 Inverted Data Input
8
NC -
(9 pin male D-sub)
9
NC -
Bus OUT
Pin No. Signal Description
Housing PE Protective Earth Ground
1 DO2 Data Output
2 DI2 Data Input
3 GND Signal Ground
4 NC -
5 GND Signal Ground
6 /DO2 Inverted Data Output
7 /DI2 Inverted Data Input
8 NC -
(9 pin female D-sub)
9 RBST
*
*Always terminate RBST to ground if it is not the last module on the bus. If the RBST is not
connected to ground, the interface will automatically terminate the bus.
Baud Rate Switch
The module supports 2Mbit/s and 500Kbit/s operation. To select the
desired baud rate, just move the jumper cap to the corresponding
location.
Baud rate must be selected before power is on and cannot be changed during operation.
Status LEDs
No. LED Color Description
1
CC/RC Green
Cable connection is good & master not in reset
2
BA Green
Bus Active
3 RD Yellow
Remote Bus Disabled
4 TR Green
PCP - Communication active.
Hold Time = 500ms
5
1
9
6
1
5
6
9