Emerson ControlWave EFM 3808 Instruction Manual page 81

Special Appendix for ControlWave Express Instruction Manual (CI-ControlWave Express)
Module/Item
Process I/O board
Process I/O board
Process I/O board
Process I/O board
Revised Mar-2011
Connector
TB3: 8-pin terminal block
DO/DI interface
TB4: 8-pin terminal block
HSC interface
TB6: 9-pin terminal block
AI interface
TB7: 4-pin terminal block
AO interface
Note: * These wires should only be installed/removed when the item
(PCB) in question is installed / removed or when checking
wiring continuity. The area must be known to be nonhazardous
before servicing / replacing the unit and before installing or
removing PCBs, connectors, or individual I/O or power wires.
Refer to the warnings in this document. All input power and I/O
wiring must be performed in accordance with Class I, Division 2
wiring methods as defined in Article 501-4(b) of the National
Electrical Code, NFPA 70, for installations within the United
States, or as specified in Section 18-152 of the Canadian
Electrical Code for installation in Canada.
Special Instructions for Class I, Division 2
Wiring Notes
Discrete output/input field wiring: Field I/O
wiring connector is unrated, use Div. 2
wiring methods. *
High speed counter field wiring: Field
input wiring connector is unrated, use Div.
2 wiring methods. *
Analog input field wiring: Field input wiring
connector is unrated, use Div. 2 wiring
methods. *
Analog output field wiring: Field output
wiring connector is unrated, use Div. 2
wiring methods. *
A-3