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External rtd input connections, Can bus interface, Aem-2020 – Basler Electric DECS-250N User Manual

Page 342

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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

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