Mappings - Max IEC Gateway

Point Mappings

Device:

Changes apply immediately: only the device whose mappings change restarts its polling; the other devices and the IEC connections keep running.

ID	Device	Description	Modbus Type	Address	Regs	Reg Type	Byte Order	IEC Type	IOA	CA	Scale	Report	Cmd	Actions
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Device

Description

Modbus

Data Type

Address

Byte Order

Bit (ON)

Bit (OFF)

Single/double point from register bits (0 = least significant; -1 = whole value). A double point with two bits: ON bit set = ON, OFF bit set = OFF, neither = intermediate, both = faulty.

IEC 60870

Type ID

IOA

Common Address

Scaling

Scale Factor

Offset

Signed

Command

Interr. Group

Reporting

Deadband

Size

Cyclic every (s)

Deadband (measured values): a change is sent spontaneously only when it exceeds the deadband (percent: of the last sent value, but at least of 10 % of the largest value sent so far); interrogation always returns the current value. Cyclic: also sent every n seconds with cause "periodic" (0 = off). Integrated totals are read by counter interrogation or the periodic counter report (Settings).

Columns: device, description, modbusType, address, registerCount, registerType, byteOrder, bit, bit2, iecType, ioa, ca, scale, offset, signed, command, group, deadbandMode, deadband, cycleSeconds. Only modbusType, address, iecType and ioa are required. Export CSV gives a file in exactly this format. Comma or semicolon separated.

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