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13. On the Basic Setup tab, change the settings back to the previous
values.
14. Click Save Settings.
Table 7 Output voltage with 100, 250 and 500-ohm resistors
Sample count
100 Ω
0
0.40 V
100
0.56 V
200
0.72 V
300
0.88 V
400
1.04 V
500
1.20 V
600
1.36 V
700
1.52 V
800
1.68 V
900
1.84 V
1000
2.00 V
RS485 serial output with Modbus RTU protocol
Instruments with the RS485 Modbus communication option use industry-
standard Modbus RTU protocol. In this communication mode, a series of
registers hold data about measurement results and operation
parameters.
When a ModbusTCP connection is made, the user can use all the
configuration options in the Modbus register map. Refer to the company
website for the Modbus register map. Write drivers to communicate with
the instrument through these registers with the Modbus RTU protocol.
The RS485 serial network circuit supplies communications for a
maximum of 32 instruments and a control computer. Only one
instrument can transmit data at a time. Each instrument must have a
unique instrument address.
20 English
All manuals and user guides at all-guides.com
250 Ω
500 Ω
1.00 V
2.00 V
1.40 V
2.80 V
1.80 V
3.60 V
2.20 V
4.40 V
2.60 V
5.20 V
3.00 V
6.00 V
3.40 V
6.80 V
3.80 V
7.60 V
4.20 V
8.40 V
4.60 V
9.20 V
5.00 V
10.00 V
1. Turn the instrument over. The DIP switch is on the bottom of the
instrument.
2. Change the DIP switch setting to select a unique network address for
the instrument. Refer to
Table
Note: Address 0 can only be used with FXB protocol. Address 0 is reserved for
use as a broadcast address for Modbus RTU. If address 0 is set with Modbus
protocol, the instrument will use address 1.
Table 8 DIP switch settings for network address
Network address
Switch 1
Switch 2
0
Off
Off
1
On
Off
2
Off
On
3
On
On
4
Off
Off
5
On
Off
6
Off
On
7
On
On
8
Off
Off
9
On
Off
10
Off
On
11
On
On
12
Off
Off
13
On
Off
14
Off
On
15
On
On
16
Off
Off
17
On
Off
8.
Switch 3
Switch 4
Switch 5
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
Off
Off
On
Off
Off
On
Off
Off
On
Off
Off
Off
On
Off
Off
On
Off
Off
On
Off
Off
On
Off
On
On
Off
On
On
Off
On
On
Off
On
On
Off
Off
Off
On
Off
Off
On
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