1.5 RS485 Serial Option

0240

0340

0440

0640

1000

1540 Option

This option is available on two-part (separate transducer and display) units and on 1000 and self-contained 1540 units.

This option uses an RS485 serial port with Modbus or JC NII protocol to provide a means of remotely monitoring and controlling the Integra unit. Both protocols are supplied in the same unit. Communications automatically configure according to the protocol that is recognized when the master sends a message.

Where the installation comprises separate display and transducer units, the display communicates with the transducer using a modified Modbus protocol via the RS485 port. Such a transducer may have two such ports, either or both of which can be used for connection to a display. Where a port is available, it can be connected to a PC for control and monitoring purposes.

Set-up screens are provided for setting up the Modbus port. See Sections 3.12 to 3.14. These screens are not applicable for setting up a port connected to a display unit, as the characteristics of such a port are preset. On a two-port unit, communications settings made from an Integra display affect the other communications port, unless the second port is also connected to a display, in which case the changes have no effect.

1.6 Pulse Output Option

0240

0340

0440

0640

1000

1540 Option

This option provides a relay pulse output indication of measured active energy (kWh). The unit can produce one pulse for every 1, 10 or 100kW of energy consumed. Two-part 1540 display units operating with 1560 or 1580 transducers can also produce a pulse for every 1000 kW of energy consumed. The pulse divisor can be set from the Set-up screen as detailed in Section

3.11Pulse Rate. The pulse width (duration) can be set as detailed in Section 3.10 Pulsed Output, Pulse Duration. On two part units, two pulsed outputs are available with common pulse rate divisions and pulse widths.

1.7 Analogue Output Option

0240

0340

0440

0640

1000

1540 Option

This option is available on two-part (separate transducer and display) units and provides an analogue current output that indicates the value of a chosen parameter. The parameter can be chosen and set up via the set-up screen as described in Section 3.15 Analogue Output Set Up.

10 Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03

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Tyco 1540 manual RS485 Serial Option, Pulse Output Option, Analogue Output Option

1540 specifications

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