Despatch LAD Series WITH PROTOCOL PLUS - Manual (Page 26)

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Relay (Continued)
Use the Relay Card Optional Ay p/n 144562 to add relays to the standard controller.
Each relay card contains two relays (maximum of two cards Ay’s allowed).
Communication
The Protocol Plus control has optional MODBUS communication available which can
communicate via RS232, RS422, or RS485 to a computer. See communications option
assembly p/n 161957 for board and cable assembly. Please refer to the MODBUS
communications manual which comes with this option.
Optional Software
The Protocol Manager program allows the operator to start/stop multiple ovens (32
maximum) from a personal computer. A data log can also be used to record process
information (p.n. 140008).