Basler Electric DECS-250N - Manual (Page 342)

326 9440500990 Rev D
Analog Expansion Module DECS-250N
External RTD Input Connections
External 2-wire RTD input connections are shown in Figure 172. Figure 173 shows external 3-wire RTD
input connections.
Figure 172. External Two-Wire RTD Input Connections
Figure 173. External Three-Wire RTD Input Connections
CAN Bus Interface
These terminals provide communication using the SAE J1939 protocol and provide high-speed
communication between the Analog Expansion Module and the DECS-250N. Connections between the
AEM-2020 and DECS-250N should be made with twisted-pair, shielded cable. CAN Bus interface
terminals are listed in Table 44. Refer to Figure 174 and Figure 175.
Table 44. CAN Bus Interface Terminals
Terminal Description
P1- HI (CAN H) CAN high connection (yellow wire)
P1- LO (CAN L) CAN low connection (green wire)
P1- (SHIELD) CAN drain connection
RTD1+
RTD1–
RTD1C
AEM-2020
Jumper
P
0
0
5
3
-6
4
BLACK
RED
RTD1+
RTD1–
RTD1C
AEM-2020
P
0
0
5
3
-6
5
RED
BLACK
BLACK