Instruction manual

Special Appendix for ControlWave Gas Flow Computer (GFC Plus) Instruction Manual (CI-ControlWave GFC Plus)
Revised Feb-2013 Special Instructions for Class I, Division 2 A-3
Module/Item Connector Wiring Notes
pulse input interface connector is unrated, use Div. 2 wiring
methods. *
CPU/System Controller board TB6: 3-pin terminal block
RTD interface
Field wired: Refer to item 5 of this
document.
CPU/System Controller board J1: 8-pin RJ-45 jack
10/100Base-T Ethernet
port
10/100Base-T Ethernet port jack for
external connection to an Ethernet hub.
Refer to model spec. and item 6 of this
document.
CPU/System Controller board J2: 8-pin RJ-45 female
connector – display or
display/keypad interface
Factory wired *
CPU/System Controller board P1: MVT interface Factory wired *
CPU/System Controller board J4: COM1, 9-pin male D-
sub RS-232
J11: COM1, 3-pin RS-232
RS-232 Comm. Port connectors: For
external network comm. Refer to model
spec. and item 6 of this document.
Process I/O board TB2: 6-pin terminal block
DI interface
Discrete input field wiring: Field I/O wiring
connector is unrated, use Div. 2 wiring
methods. *
Process I/O board TB3: 8-pin terminal block
DO/DI interface
Discrete output/input field wiring: Field I/O
wiring connector is unrated, use Div. 2
wiring methods. *
Process I/O board TB4: 8-pin terminal block
HSC interface
High speed counter field wiring: Field
input wiring connector is unrated, use Div.
2 wiring methods. *
Process I/O board TB6: 9-pin terminal block
AI interface
Analog input field wiring: Field input wiring
connector is unrated, use Div. 2 wiring
methods. *
Process I/O board TB7: 4-pin terminal block
AO interface
Analog output field wiring: Field output
wiring connector is unrated, use Div. 2
wiring methods. *
Front cover bottom Local Port 5-pin female
circular connector
(Present version)
Local comm.. port – factory wired. Refer
to item 3 of this document. *
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.