20
B R A NCH CI RCU IT MON ITOR I NG
I N S TA L L AT I O N A N D CO M M I SS I O N I N G I N S T R U C T I O N S
—
ASPMETER split core
Configuration
1.
Communications configuration: Communications
parameters for the ASPMETER series are field-selectable
for your convenience. Please see the product diagrams
section (page 17) for selector location. The following
parameters are configurable:
• Baud rate: 9600, 19200 or 38400
• Parity: on or off
• Parity: odd or even
• Wiring: two or four
Example: 2-wire 19200 baud, no parity (default only)
1
2
3
4
5
6
7
8
Off
Off
X
X
X
9600
On
Off
X
X
X
19200
Off
On
X
X
X
38400
On
On
X
X
X
Reserved
Off
Off
X
X
X
No parity
On
Off
X
X
X
Odd parity
Off
On
X
X
X
No parity
On
On
X
X
X
Even parity
On
X
X
X
4-wire RS-485
Off
X
X
X
2-wire RS-485
2.
Address configuration: Each Modbus device on a single
network must have a unique address. Set the switch block
to assign a unique address before the device is connected
to the Modbus RS-485 network. If an address that conflicts
with that of another is selected, neither device will be able
to communicate.
3. The ASPMETER uses two logical addresses. Panel 1 uses
the base address as set on the DIP switches, and panel 2
uses this base a 1. Address the ASPMETER as any
whole number between and including 1–246. Each unit is
equipped with a set of eight DIP switches for addressing.
See below.
4. To determine an address, simply add the values of any
switch that is on. For example:
Switch number 4 has an ON value of 8 and switch number 6
has an ON value of 32. (8 + 32 = 40). Therefore, the address
for panel 1 is 40 and the address for panel 2 is 41. See the
address setup section (page 21) for a pictorial listing of
the first 63 switch positions.
Default DIP switch settings
The ASPMETER includes two DIP switches, as shown below.
Switches are shown in their default positions.
ON
Reserved
2/4
Wire
Odd/
Even
Parity
On
Off/
Parity
B1
1
2
3
4
5
6
7
8
BØ
1
LSB
MSB
1 2 4 8 16 32 64 128
DIP Switch
Values
=
ON
1
2
3
4
5
6
7
8
40
LSB
MSB
=
ON
1
2
3
4
5
6
7
8
Comms Address
Comms Settings
ON
Reserved
2/4
Wire
Odd/
Even
Parity
On
Off/
Parity
B1
1
2
3
4
5
6
7
8
BØ
1
LSB
MSB
1 2 4 8 16 32 64 128
DIP Switch
Values
=
ON
1
2
3
4
5
6
7
8
40
LSB
MSB
=
ON
1
2
3
4
5
6
7
8
Comms Address
Comms Settings
ON
Reserved
2/4
Wire
Odd/
Even
Parity
On
Off/
Parity
B1
1
2
3
4
5
6
7
8
BØ
1
LSB
MSB
1 2 4 8 16 32 64 128
DIP Switch
Values
=
ON
1
2
3
4
5
6
7
8
40
LSB
MSB
=
ON
1
2
3
4
5
6
7
8
Comms Address
Comms Settings
ON
Reserved
2/4
Wire
Odd/
Even
Parity
On
Off/
Parity
B1
1
2
3
4
5
6
7
8
BØ
1
LSB
MSB
1 2 4 8 16 32 64 128
DIP Switch
Values
=
ON
1
2
3
4
5
6
7
8
40
LSB
MSB
=
ON
1
2
3
4
5
6
7
8
Comms Address
Comms Settings
