INPUT |
|
Inut |
Basic RH and T signals from sensor |
Compatible sensors |
RSHT20
(General purpose / wall mount)
RSHT30(Wall Mount)
RSHT40(Duct mount)
RSHT20, RSHT30 & RSHT40 must be ordered separately |
Distance between sensor & instrument |
|
Range limit |
0~100% RH
-20~100 °C(32~212 °F)
Also see sensor range and Fig 1 |
Accuracy |
± 3% RH, ± 0.3 °C |
Resolution |
0.1 or 1 |
INDICATION |
|
Display |
Upper : 4 digit, 7 segment 0.56" (14.2 mm) green LED display
Lower : 4 digit, 7 segment 0.56"(14.2 mm) red LED display
|
Status indication |
LEDs for relay status
LEDs for communication
|
OUTPUTS |
|
No. of relays |
0/1/2/3/4 electromagnetic
relays |
Relay contact type |
NO-C-NC |
Relay contact rating |
5A/230V AC, resistive
|
SSR Drive |
12 V DC drive signal for
external SSR |
No. of analog output |
0 / 1 / 2 |
Retransmission output |
Current or voltage
corresponding to RH or T |
Current output |
4~20 mA / 0~20 mA isolated
from input |
Maximum load for current output |
600 ohms |
voltage output |
0~10 V DC isolated from
input |
Load for voltage output |
>10 Kohms |
|
Mutual isolation between
input/output/supply |
1KV AC / 1 minute |
COMMUNICATION |
|
Port |
RS485 |
Protocol |
Modbus RTU |
Slave ID |
User programmable(1~256) |
PROGRAMMABLE
PATAMETERS |
|
Setpoint |
0~100 |
Unit |
°C, °F |
Resolution |
User selectable
0.1, 1
|
High scale |
0~100 |
Low scale |
0~100 |
Digital filter |
A(minimum) ~ F(maximum) |
Hysteresis(ONOFF control) |
0.1~99.9 |
Bias for RH & T |
-10 to 10 |
Relay logic |
a. Full Scale Hi
b. Full Scale Lo
c. Heat
d. Cool
|
Setpoint lock |
ON, OFF |
Relay action |
Reverse / direct |
Retransmission output |
Corresponding or RH or T |
OTHER |
|
Keyboard |
Tactile, 3 keys |
Enclosure construction |
Plug-in (circuit removable without affecting terminal wiring) |
Dimensions(in mm) |
96(W) x 96(H) x 100(D) |
Mounting |
Panel mount |
Panel cutout |
92 x 92mm |
Supply voltage |
a) 85~265 V AC, 50/60 Hz
b) 20~35 V DC (optional)
|
Power consumption |
3 watts maximum |
Operating ambient temperature |
0~50 °C |
Relative humidity |
Below 90%, non condensing |
|