Remote Contacts Terminals - Omega RD2800 Series User Manual

4. CONNECTIONS
These terminals are for the remote contacts (option). For the remote contacts, see Section 13.
1

Remote contacts terminals

2 Wiring
To prevent an electric shock, make sure to
turn off the power supply before wirings.
(1) The signals applied to the remote contacts
terminals should be non-voltage contact
signals.
(2) Connect wires to the remote contacts
terminals with crimp style terminals and
insulation sleeves
Remote contacts
Reference
1. Remote contacts operations
(1) Printing ON/OFF and chart speed
selection from 3 speeds (Using 2
terminals EX1 and EX2)
(2) Message (Nos. 1 to 5) selection and
printing (Using all of 4 terminals EX1 to
EX4)
(3) Message (Nos. 1 and 2) selection and
printing (Using 2 terminals EX3 and EX4)
(4) Digital data printing *
(5) List (Nos. 1 to 3) printing *
(6) Operation record (Nos. A to D) printing *
(7) "Totalizing" (option) reset *
* Using any one terminal.
4.6 Remote Contacts Terminals
Remote contacts
terminals
Alarm output terminal
(option)
－１８－
Warning No-voltage contacts
For the contacts to be connected to the remote
contacts terminals, use a switch or relay driven at
30 VAC or lower, or 60 VDC or lower, or manual
contacts for very light loads.
Remarks Remote contacts terminals
• Voltage when the contact is open: Approx. 5 V
• Current when the contact is short: Approx. 2 mA
EX1 EX2 EX3 EX4
2. Terminal allocation for operation
It is required to set operations to be allocated
to each terminal (EX1 to EX4).
3. Operations to be set
(1) Printing ON/OFF and chart speed
selection from 3 speeds
Setting of 3 chart speeds
(2) Message selection and printing
Setting of messages Nos. 1 to 5
(3) Operation recording
Setting of recording positions of
operation records Nos. A to D
COM