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137
Analog I/O Terminals
Section 4-8
Node Address Settings
Each Slave’s node address is set with pins 1 through 6 of the Slave’s DIP
switch. Any node address within the setting range can be used as long as it
isn’t already set on another node.
0: OFF, 1: ON
Note
1.
Refer to
Appendix A Node Address Settings Table
for a complete table of
DIP switch settings.
2.
The Slave won’t be able to participate in communications if the same node
address is used for the Master or another Slave node (node address dupli-
cation error).
Baud Rate Setting
Pins 7 and 8 are used to set the baud rate as shown in the following table.
(These pins are factory-set to OFF.)
Note
1.
Always turn OFF the Slave’s power supply (including the communications
power supply) before changing the baud rate setting.
2.
Set the same baud rate on all of the nodes (Master and Slaves) in the Net-
work. Any Slaves with baud rates different from the Master’s rate won’t be
able to participate in communications. Furthermore, a node with an incor-
rect baud rate may cause communications errors between nodes with cor-
rect baud rate settings.
4-8-2
Analog Input Terminals: DRT1-AD04 and DRT1-AD04H
Specifications
General Specifications
DIP switch setting
Node address
Pin 6
Pin 5
Pin 4
Pin 3
Pin 2
Pin 1
0
0
0
0
0
0
0 (default)
0
0
0
0
0
1
1
0
0
0
0
1
0
2
:
:
:
:
1
1
1
1
0
1
61
1
1
1
1
1
0
62
1
1
1
1
1
1
63
Pin 7
Pin 8
OFF
OFF
125 kbps (default)
ON
OFF
250 kbps
OFF
ON
500 kbps
ON
ON
Not allowed.
Item
Specification
DRT1-AD04
DRT1-AD04H
Voltage inputs
Current inputs
Voltage inputs
Current inputs
Input points
Either 4 points or 2 points
(Set with the DIP switch.) (Master Unit uses 4
input words or 2 input words respectively)
4 points
(Four input words occupied at Master Unit.)
Communications power
supply voltage
11 to 25 V DC (supplied from the communications connector)
Internal power supply
voltage
20.4 to 26.4 V DC (24 V DC
−
15% to 10%)
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