9.10.7
Network by MODBUS
®
It is possible to network several devices with each other. The device uses the MODBUS-RTU as the
protocol for the RS-485 interface.
The device address (Device-ID) is factory set to the highest available MODBUS address: 247
This address is reserved for operation with an external terminal model AXG.. and should not be
occupied with anything else.
Bus Address
Bus Address
The addresses of the individual units must be continuously numbered begin-
ning with
“
1
”
. No address may be allocated twice. MODBUS address adjust-
able from 1-247. Address 247 = preprogrammed for an external terminal.
Addressing
Addressing
Switch addressing to
“
ON
”
before setting
“
address
”
Reading and writing parameters
The device supports reading and writing processes for Modbus
®
Holding Registers (3). The start
address is 1,; the number of registers depends on the device. If the allowable start address or number
is exceeded, the device answers with an exception code. The description of the register is device
dependent and can be requested from service for the device/version concerned.
9.11 Limits
9.11.1
Menu overview
“
Limits
”
Limits
Menu group Limits
Parameter
Factory setting
User Setting
Level. Function
OFF
Level min.
- - - -
Level max.
- - - -
Level Delay
- - - -
Lmt E1 Function
OFF (1L*)
Lmt E1 min
- - - - (0.0
°
C*)
Lmt E1 max.
- - - - (40.0
°
C*)
Lmt E1 Hyst.
- - - - (1.0 K*)
Lmt E1 Del.
- - - - (2 sec*)
Lmt E2 Function
- - - - / OFF
Lmt E2 min.
- - - -
Lmt E2 max.
- - - -
Lmt E2 Hyst.
- - - -
Lmt E2 Del.
- - - -
Offset Function
OFF
Offset 1
- - - -
Offset 2
- - - -
Offset Hyst.
- - - -
Offset Del.
- - - - -
* Deviating factory setting for mode
2.03
|
- - - -
|
= display as long as no allocation has been carried out
Operating Instruction
Econtrol
–
model series EXDM
Programming
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