Hardy HI 2151/30WC Single-Scale Controller User Manual
Page 41
Chapter 3 - Installation
3-11
J5 Set Point 5
J6 Set Point 6
Pin 1 Lo
Pin 1 Lo
Pin 2 Hi
Pin 2 Hi
J7 Set Point 7
J8 Set Point 8
Pin 1 Lo
Pin 1 Lo
Pin 2 Hi
Pin 2 Hi
•
Use 22 AWG minimum to 12 AWG maximum wire for J3 through
J8.
NOTE:
See Output Option Board Installation for board installation procedures.
CAUTION
THE CONTACTS ON THE SOLID STATE RELAY WILL OPEN IF A POWER
FAILURE OCCURS. A LIT LED INDICATES THAT THE RELAY HAS BEEN
ACTIVATED.
J3 Serial Port Wiring
•
The standard serial port J3 is located on the second board inside the
instrument and is configured either as an RS-232 or RS-422/485
port. (See Section 4.1 for port configuration instructions)
•
The -A model designator in the model number indicates how the
instrument was configured from the factory. (See Table 3-1)
•
Wire size: 22 AWG minimum to 12 AWG maximum
•
For -WS wall mount models, route the wiring to J3 through the
upper left side enclosure access hole when facing the front of the
enclosure.
Remote Functions
Wiring
•
Some functions are level conditions and some are activated by
momentary grounding. Both use the remote functions ground found
on pin 9.
•
Wire Size:
22 AWG Min. to 12 AWG Max. Shielded
-A1
-A2
-A3
J3
RS-232
RS-422
RS-485
Pins
Signal
Signal
Signal
1
Cts
Tx+
Tr+
2
Rts
Tx-
Tr-
3
Rxd
Rx+
N/C
4
Txd
Rx-
N/C
5
Gnd
Gnd
Gnd
TABLE 3-1: FACTORY CONFIGURATION