5-
Terminal Description
TB2 TB2-1 PI1/PO1 SØ Output or 240V/110V/48V/12V/5V Input
TB2-2 PI2/PO2 SØ Output or 240V/110V/48V/12V/5V Input
TB2-3 Common for PI1/PO1 and PI2/PO2
TB3 Nothing Fitted
TB4 RS232 or RS485 - RJ45 connector
RS485 - 4 way terminal block
TB4-1 Power Top left terminal
TB4-2 TX+/RX+ Bottom left terminal
TB4-3 Ground Top right terminal
TB4-4 TX-/RX- Bottom right terminal
• Table 5-3 Terminal block connections - Passive
Terminal Description
TB2 TB2-1 PI1/PO1 SØ Output or 240V/110V/48V/12V/5V Input
TB2-2 PI2/PO2 SØ Output or 240V/110V/48V/12V/5V Input
TB2-3 Common for PI1/PO1 and PI2/PO2
One or both inputs may be an active input. Note that active
inputs on TB4 is the preferred construction for active inputs.
TB3 RS232 – RJ45
RS485 – RJ45 4 wire
RS485 – 2 way terminal block
TB3-1 TX+/RX+
TB3-2 TX-/RX-
TB4 TB4-1 PI5/PO5 SØ Output or 12V/5V Input or Active Input
TB4-2 PI6/PO6 SØ Output or 12V/5V Input or Active Input
TB4-3 Common for PI5/PO5 and PI6/PO6
• Table 5-4 Terminal block connections - Active without relay
Terminal Description
TB2 TB2-1 PI1/PO1 SØ Output or 240V/110V/48V/12V/5V Input
TB2-2 PI2/PO2 SØ Output or 240V/110V/48V/12V/5V Input
TB2-3 Common for PI1/PO1 and PI2/PO2
One or both inputs may be an active input.
TB3 RS232 – RJ45
RS485 – RJ45 4 wire
RS485 – 2 way terminal block
TB3-1 TX+/RX+
TB3-2 TX-/RX-
TB4 TB4-1 PO6 240V, 2A Relay output
TB4-2 Common for PO6
• Table 5-5 Terminal block connections - Active with relay
5-8 EDMI Atlas Hardware Reference Manual