20
18
19
17
16
10
8
9
7
6
14
15
12
13
11
4
5
2
3
1
11
12
13
COM
NO
NC
RELAY
OUT1
4-20mA DC or voltage-pulse
RET
SSR
SCR
OUT2
RET
COOL
HEAT
OUT3
GND
100-240V AC 50/60Hz
20
POWER
18
19
SUB OUT1
30V DC 1A
Type
6
DI2
5
DI1
DI
RS485
7
COM
Contact Rating:250V AC 1A
RELAY
RELAY
SUB OUT2
+
9
-
10
9
10
+
-
SP1
off
off
2
on
on
off
SP2
SP4
SP3
off
on
on
-
-
DISL
off
DI1
1
on
-
-
STOP
Operation
DI2
SP1
off
SP2
on
RUN
No-voltage Contact Relay or TR Contact
RUN
HEAT
COOL
ALM1
ALM2
ALM3
+
- 17
16
+
- 15
14
RUN
ALM3
ALM2
ALM1
COOL
HEAT
NO
COM
1
2
ALM3
RUN
HEAT
COOL
ALM1
ALM2
COM
4
NO
3
RTX+
RTX-
SG
7
6
5
9
10
8
b
B
A
MAX:19200bps
mV/V INPUT RTD INPUT
TC INPUT
N
L
Type
Contact Rating:250V AC 1A
30V DC 1A
Type
Contact Rating:250V AC 1A
30V DC 1A
Type
0-20mA DC(Option)
RET
SCR
SSR
LPS
