Honeywell HVAC232 Series, Applications Manual

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Application manual HVAC232/402 | Document 27-652 | Issue ENG06 | 2019-08-07 42
6.2 Control I/O
Table 17. HVAC232/402 General purpose application default I/O configuration and connections for control board
1–10 k
Ω
Terminal
Signal Factory preset Description
1 +10 Vref Ref. voltage out Maximum load 10 mA
2 AI1 Analogue signal in 1 Freq. reference
P)
0 … 10 V, Ri = 250 k
Ω
3 GND I/O signal ground
6
24 Vout 24 V output for DI's ±20%, max. load 50 mA
7 DI_C Digital Input Common Digital Input Common for DI1-DI6, refer to „Table 18. DI Sink Type“ on page 40
8 DI1 Digital input 1 Start forward
P)
Positive Logic 1: 18 … 30 V, Negative Logic 1: 0 … 10 V,
Positive Logic 0: 0 … 5 V, Negative Logic 0: 18 … 30 V;
Ri = 10 k
Ω
(floating)
9 DI2 Digital input 2 Start reverse
P)
10 DI3 Digital input 3 Fault reset
P)
A A RS-485 signal A FB Communication Negative
B B RS-485 signal B FB Communication Positive
4 AI2 Analogue signal in 2 PID actual value and Freq.
reference
P)
Default: 0(4) … 20 mA, Ri ≤ 250
Ω
Other: 0 … +10 V, Ri = 250 k
Ω
Selectable through microswitch
5 GND I/O signal ground
13 DO- Digital Output Common Digital Output Common
14 DI4 Digital input 4 As DI1
15 DI5 Digital input 5 As DI1, Selectable through microswitch
16 DI6 Digital input 6 As DI1
18 AO Analogue Output Output frequency
P)
0(4) … 20 mA, RL ≤ 500
Ω
, 0 … 10 V, RL ≥ 1 k
Ω
, Selectable through microswitch
20 DO Digital signal out Active = READY P) Open collector, max. load 35 V / 50 mA
22 RO1 NO Relay out 1 Active = RUN P) Switching load: 23 RO1 CM 250 Vac / 3 A, 24 Vdc 3 A
23
RO1 CM
24 RO2 NC Relay out 2 Active = FAULT P) Switching load:
25 RO2 CM 250 Vac / 3 A, 24V DC 3A
25 RO2 CM
26 RO2 NO
P) = Programmable function, see parameter lists and descriptions, Chapters „9 Standard application parameters“ on page 55 and „10 Parameter description“ on page 96.
mA