7ML19981DP02
External Modem Kit – INSTRUCTION MANUAL
Page 11
Wiring Diagram for Connection to Accumass BW500/SF500:
1.
Use an ohmmeter to rung out the communication cable. Determine which pin
connects with each wire of the cable.
2.
Connect the communication cable to the BW500/SF500 as follows
AiRanger with SmartLinx®Modbus RTU card
Port 1 set-up parameters:
Wiring Diagram for Connection to AiRanger with SmartLinx® Modbus RTU card
1.
Use an ohmmeter to rung out the communication cable. Determine which pin
connects with each wire of the cable.
2.
Connect the communication cable to the AiRanger as follows:
Parameter
Description
P751 = 3
9600 baud
P752 = 0
no parity
P753 = 1
station address 1
P758 = 15
interframe spacing = 15 ms
31
TX
TX
DB-9
CONNECTOR
BW 500
TERMINAL
BLOCK
RX
RX
32
COM
COM
33
34
6
2 1
5 3
4
8 7
1
RX
RX
DB-9
CONNECTOR
AIRANGER WITH
SMARTLINX MODBUS
RTU CARD
TM
GND
GND
2
TX
TX
3
4
6
2 1
5 3
4
8 7
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