Page 173 - EPR Catalog 2015

Temperature monitoring relays
Overview, Functional description and diagrams

Functional description Function diagrams

Digital tripping devices Overtemperature - C512/C513
Once the temperature has reached the set threshold of X1,
output relay K1 changes its switching state after the set Open-circuit principle Closed-circuit principle
time delay t has elapsed (K2 reacts in the same way for X2).
11 2
22
1SVC 110 000 F0191
Characteristic curves of resistance sensors Us Us 1SVC 110 000 F0192
t
K1 t
K1 t K2 t
t

K2

t

Resistance in ⏲ 5000 NTC Undertemperature - C512/C513
4000 KTY83 KTY84 PT1000
3000 Open-circuit principle Closed-circuit principle
2000
1000 J1 J1 1SVC 110 000 F0193 1SVC 110 000 F0194
J2 J2
0
-100 PT100 2CDC 252 076 F0207 Us Us
t
K2 t
K2 t K1 t
t

K1

t

0 100 200 300 400 500

Temperature in °C Range monitoring - C512/C513

Open-circuit principle Closed-circuit principle

11 1SVC 110 000 F0195 1SVC 110 000 F0196

22

Us Us
t
K1
K1 t
t
K2 t
K2 t
t

Function principle with storage function - C512/C513
using overtemperature with closed-circuit principle as an
example

1 1SVC 110 000 F0197 absolute limit
2 hysteresis

DIP switches CM-TCS Us t
Y1-Y2 t
Position 4 3 2 1
K1
K2

t

ON i g r p

OFF j h s q

DIP switch 1 ON OFF (default)
Monitoring
principle Overtemperature monitoring p Undertemperature monitoring q

DIP switch 2 If overtemperature monitoring is selected, the CM-TCS recognizes If undertemperature monitoring is selected, the CM-TCS recognizes
Temperature temperatures above the selected threshold and trips the output relay temperatures below the selected threshold and trips the output relay
window according to the selected operating principle. according to the selected operating principle.
monitoring
Temperature window monitoring activated r Temperature window monitoring de-activated s
DIP switch 3
Operating principle If temperature window monitoring is selected, the CM-TCS monitors Temperature window monitoring is de-selected.
of the output relays over- and undertemperature. If temperature window monitoring is
activated, DIP switch 1 is disabled. Open-circuit principle h
DIP switch 4
2 x 1 c/o contact, Closed-circuit principle g If open-circuit principle is selected, the output relays are deenergized.
1 x 2 c/o contacts They energize if a fault is occuring.
If closed-circuit principle is selected, the output relays are energized.
They de-energize if a fault is occuring. 1 x 2 c/o (SPDT) contacts j

2 x 1 c/o (SPDT) contact i If operating principle 1 x 2 c/o contacts is selected, both output relays
R1 (11-12/14) and R2 (21-22/24) react synchronously to one threshold
If operating principle 2 x 1 c/o contact is selected, the output relay R1 value.

(11-12/14) reacts to threshold value t1 and the output relay R2 (21- Overtemperature monitoring: Settings of the threshold value t2 have
22/24) reacts to threshold value t2.
no effect on the operation.

Undertemperature monitoring: Settings of the threshold values t2

have no effect on the operation.

2CDC 110 004 C0210 | Catalog Electronic Products and Relays 2015 | ABB 2/106