Communications wiring
WSHP Open v3
CARRIER CORPORATION ©2021
Integration Guide
All rights reserved
16
Johnson N2
To set up the WSHP Open for N2
Refer to
Appendix D
(page 48) for the N2 Protocol Implementation Conformance Statement (PICS).
1
Turn
off
the WSHP Open's power.
NOTE
Changes made to the switches when the controller is on will not take effect until the power is cycled!
2
Using the rotary switches, set a unique N2 slave address for the WSHP Open. Set the
MSB
(
SW1
) switch to
the tens digit of the address, and set the
LSB
(
SW2
) switch to the ones digit. Valid N2 slave addresses are
01-99.
EXAMPLE
To set the N2 slave address to 01, point the arrow on the
MSB
(
SW1
) switch to 0 and the arrow on
the
LSB
(
SW1
) switch to 1.
10's
1's
1
3
45
2
7
8
9
6
0
1
3
45
2
7
8
9
6
0
SW1
SW2
M SB
L SB
3
Set the DIP switches
1
and
2
for 9600 bps baud.
NOTE
Use the same baud rate and communication settings for all controllers on the network segment. The
WSHP Open is fixed at 9600 bps baud, 8 data bits, No Parity, and 1 Stop bit.
4
Set the remaining DIP switches as follows:
N2 DIP switch settings
8
7
6
5
4
3
2
1
Off
Off
Off
Off
On
On
On
On
The following example shows the DIP switches set for 9600 baud and N2.
Содержание WSHP Open v3
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