19
17
18
Operating messages and Icon status
Parameter
Message
Description
P2
Ht
Temperature above the maximum
limit of the set point.
P3
Lt
Temperature below the minimum limit
of the set point.
PP
Probe short circuit, circuit open or without
0
0
probe, or temperature > 99.9 C or <-10.0 C
SP, P4
Comp. Relay on/off
On/Off
P6
Time delay in progress
Flashing
LP
Keypad locked/unlocked
On/Off
21
3
1
4
2
34.5mm
71mm
19mm
10mm
MAX
71
29
P
anel cutout
SZ-7510-C
22
Suggested Wiring Diagram
NEUTRAL
230V
1
3
Compressor
,
Contactor or Heater
8(3)A max
PHASE
RELAY
12
NO
10
NC
11
C
Caution:Wiring for 230Vac load only
4
5
6
7
RS485
+
-
PROBE
To SZ-N75
20
GASKET
PANEL
Side Lock
CONTROLLER
Technical data:
Dimensions
:
Front
:
75 X 34.5 MM,
Depth
:
71 MM (w/o back lid)
Panel Cutout :
29 X 71 mm
Mounting
:
Flush panel mounting with fasteners
Frontal protection :
I.P65
Connections :
Screw terminal blocks.
<
2.5sqmm one wire/ terminal only.
Display
:
3
X17 mm (0.67") LED
Data storage :
Non-volatile EEPROM memory
Power input
:
230Vac
+/-15%,50-60Hz.
Other on request
O
O
Operating temp. :
5 C to 50 C(non-condensing).
O
O
Storage temp. :
-20 C to 70 C(non-condensing).
RS485 Connectivity :
Modbus RTU Protocol
Baud Rate : 9600
Device ID : 1 (By Default)
Output
:
1 SPDT relay 8
(3)A, 250Vac.
Input
:
NTC probe, SZ-T75
O
O
Range
:
-50.0 C to 50.0 C
O
Resolution
:
0.1 C
O
Accuracy
:
+/- 1 C
O
O
Probe tolerance at 25 C :
+/- 0.3 C
Housing
:
Black, ABS Plastic
Front Cover
:
Polycarbonate plastic.
Suggested Wiring Diagram
NEUTRAL
12V
ac/dc
1
3
Compressor
,
Contactor or Heater
8(3)A max
PHASE
RELAY
12
NO
10
NC
11
C
4
5
6
7
RS485
+
-
PROBE
To SZ-N75
