Control I/O - Honeywell HVAC232 Series Applications Manual

6.2

Control I/O

Table 17. HVAC232/402 General purpose application default I/O configuration and connections for control board
1–10 kΩ Terminal
1 +10 Vref
2 AI1
3 GND
6 24 Vout
7 DI_C
8 DI1
9 DI2
10 DI3
A A
B B
4 AI2
5 GND
13 DO-
mA
14 DI4
15 DI5
16 DI6
18 AO
20 DO
22 RO1 NO
23 RO1 CM
24 RO2 NC
25 RO2 CM
26 RO2 NO
P) = Programmable function, see parameter lists and descriptions, Chapters „9
Application manual HVAC232/402 | Document 27-652 | Issue ENG06 | 2019-08-07
Signal Factory preset
Ref. voltage out
Analogue signal in 1 Freq. reference
I/O signal ground
24 V output for DI's
Digital Input Common
Digital input 1 Start forward
Digital input 2 Start reverse
Digital input 3 Fault reset
RS-485 signal A FB Communication
RS-485 signal B FB Communication
Analogue signal in 2 PID actual value and Freq.
reference P)
I/O signal ground
Digital Output Common
Digital input 4
Digital input 5
Digital input 6
Analogue Output Output frequency
Digital signal out Active = READY P)
Relay out 1 Active = RUN P)
Relay out 2 Active = FAULT P)
Description
Maximum load 10 mA
0 ... 10 V, Ri = 250 kΩ
P)
±20%, max. load 50 mA
Digital Input Common for DI1-DI6, refer to „Table 18. DI Sink Type" on page 40
P) Positive Logic 1: 18 ... 30 V,
Positive Logic 0: 0 ... 5 V,
P)
Ri = 10 kΩ (floating)
P)
Negative
Positive
Default: 0(4) ... 20 mA, Ri ≤ 250 Ω
Selectable through microswitch
Digital Output Common
As DI1
As DI1, Selectable through microswitch
As DI1
0(4) ... 20 mA, RL ≤ 500 Ω, 0 ... 10 V, RL ≥ 1 kΩ, Selectable through microswitch
P)
Open collector, max. load 35 V / 50 mA
Switching load: 23 RO1 CM 250 Vac / 3 A, 24 Vdc 3 A
Switching load:
25 RO2 CM 250 Vac / 3 A, 24V DC 3A
Standard application parameters" on page 55 and „10
Negative Logic 1: 0 ... 10 V,
Negative Logic 0: 18 ... 30 V;
Other: 0 ... +10 V, Ri = 250 kΩ
Parameter description" on page 96.
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