The Interface Solution Experts
29
SPA
Site-Programmable RTD &
Thermocouple Limit Alarm Trips
Table 3. Terminals for the SPA
Top Row Terminals
T1 T2
T3
T4
T5
T6 T7
T8
T9
Low Level SPA
+
(Note 1)
–
(Note 1)
(Note 2)
(Note 2)
MR
MR
–Analog
OUT
(Note 3)
+Analog
OUT
(Note 3)
Not
Present
Middle Row Terminals 10 11
12
13
14 15
1 and 2 Relays
(1PRG and 2PRG)
3 Relays (3PRG)
4 Relays (4PRG)
1DPDT Relay
2 DPDT Relays
Bottom Row Terminals B1 B2
B3
B4
B5 B6 B7
B8
B9
Not Present
Not Present
NO3
NO3
NO2
CM3
CM3
CM2
NC3
NC3
NC2
NO2
CM2
NC2
Relay 1(above)
Relay 1(above)
NO4
CM4
NC4
Not Present
NO2
CM2
NC2
Relay 2(above)
1 Relay (1PRG)
2 Relays (2PRG)
3 Relays (3PRG)
4 Relays (4PRG)
1DPDT Relay
2 DPDT Relays
NO
CM
NC
NO1
CM1
NC1
NO1
CM1
NC1
NO1
CM1
NC1
NO1
CM1
NC1
Relay 1(above)
Relay 1(above)
NO1
CM1
NC1
Relay 2(above)
NO1
CM1
NC1
NA
NA
NA
NO2
CM2
NC2
NO2
CM2
NC2
NO2
CM2
NC2
Not Present
POWER
AC or DC
POWER
AC or DC
GND
NOTES:
1. Reference polarity when connecting TC’s or other mV sources only.
2. Not used with TC inputs (Refer to RTD connections).
3. When AO or AOZ option is installed.