Thermo AC-4000, Руководство по эксплуатации и обслуживанию

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REC 3838 6-2
6.2 COMMUNICATIONS
A communications option is provided for digital communication with external devices such
as a printer, terminal, or computer. Both RS-232 and RS-422/485 communications
standards are supported and two channels are provided. Baud rates, character size, and
parity are front panel selectable.
6.2.1 Installation
To install the Communications Board and cable, proceed as follows:
1. Turn off power at mains.
2. Open electronics controller enclosure door.
3. The Communications Board should be located directly above the CPU Board
near the upper, back portion of the enclosure. See Figure 4-2.
4. Gently push the Communications board onto the pin connectors using the
card handle.
5. Insure the board is properly oriented and fully seated.
6. Set dip switches (shown below) on the communications board as needed.
7. Connect the 20 pin connector on the communications cable assembly to J11
of the Analog board.
8. Remove two of the cover plates on the bottom of the enclosure and discard.
Insert the circular connectors in the holes and tighten four hex nuts.
9. Close electronics controller enclosure door.
10. Apply power to electronics.
11. Refer to Chapter 3 for all setup procedures. Also see the Menu Tree drawing
for menus that are available with the Communications option.
COMMUNICATION BOARD SWITCH SETTINGS
PORT A
SWITCH
SW1-1 SWITCH
SW1-2 SWITCH
SW1-5 SWITCH
SW1-7 SWITCH
SW2-1
DESCRIPTION
OFF / OPEN OFF / OPEN ON / CLOSED OFF / OPEN OFF / OPEN
EIA-232 with hardware
OFF / OPEN ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN EIA-232 with data leads only
ON / CLOSED ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN EIA-422/485 no termination
ON / CLOSED ON / CLOSED ON / CLOSED ON / CLOSED OFF / OPEN EIA-422/485 with termination
ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN OFF / OPEN EIA-422/485 no termination
4-wire multidrop
ON / CLOSED ON / CLOSED OFF / OPEN ON / CLOSED OFF / OPEN EIA-422/485 with termination
4-wire multidrop
ON / CLOSED ON / CLOSED OFF / OPEN OFF / OPEN ON / CLOSED EIA-422/485 no termination
2-wire multidrop
ON / CLOSED ON / CLOSED OFF / OPEN ON / CLOSED ON / CLOSED EIA-422/485 with termination
2-wire multidrop