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CHART MVE 1839 - Communication; Networking

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MVE Biological Systems
TEC 3000 Operating and Maintenance Freezer Manual
13289499 Rev H • 92
7.4.
Communication / Networking
The TEC 3000 is equipped with two independent RJ-45 serial ports. These ports are intended for
connection to another MVE controller, PC, serial printer, or other RS-485 device. Up to 100 TEC
3000 controllers can be successfully networked.
NOTE: The TEC 3000 should never be connected directly to a LAN or
public telecommunications network.
Figure 12: TEC 3000 serial ports and RS-485 4-wire pin diagram
Figure 13: Standard RJ-45 cable assembly wiring details (PN 10740053). Wire colors may vary.
Table 6: RS-485 Interface Specifications
COM Setup
bits/sec
Parity
Data bits
Stop bits
9600 N81
9600
None
8
1
9600 N82
9600
None
8
2
19200 N81
19200
None
8
1
19200 N82
19200
None
8
2
COM Type
ASCII
Printer
OFAF
MODBUS
Disabled
Transmission
Mode
Terminator
4-wire
Asynchronous
CR, LF
SERIAL SERIAL
1 2

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