48
WATLOW Series 942 User's Manual
Appendix
Model No.
Series 942 Model Number Information
The Series 942 Model Number, listed on your unit sticker, is defined below.
Control
Series
942
=
1/4 DIN, single input,
dual output, dual
auxiliary outputs, dual
digital displays.
Inputs Type
1
=
Type J, K, T, N, C, PT 2 thermocouple
2
=
Type J, K, T, N, C, PT 2 thermocouple,
RTD 1
°
, 4 - 20mA, 0-5VDC
3
=
Type J, K, T, N, C, PT 2 thermocouple,
RTD 0.1
°
, 4 - 20mA, 0-5VDC
4
=
Type R, S, B thermocouple
#1 Output Type
B
=
Solid State Relay, Form A, 0.5A
C
=
Switched DC, Open Collector, non-isolated
D
=
Mechanical Relay, Form C, 6A
E
=
Process 0 - 10VDC, non-isolated
F
=
Process 4 - 20mA, non-isolated
G
=
Process 0 - 20mA, non-isolated
H
=
Process 0 - 5VDC, non-isolated
K
=
Solid State Relay without contact suppression
Form A, 0.5A
#2 Output Type
A
=
None
B
=
Solid State Relay, Form A, 0.5A
C
=
Switched DC, Open Collector, non-isolated
D
=
Mechanical Relay, Form C, 6A
K
=
Solid State Relay without contact suppression
Form A, 0.5A
Auxiliary Outputs
0
=
None
1
=
Single, Mechanical Relay, 6A, Form A or B
2
=
Dual, Mechanical Relay, 6A, Form A or B
3
=
Single, Mechanical Relay, 6A/0 - 5VDC retransmit
4
=
Single, Mechanical Relay, 6A/4 - 20mA retransmit
5
=
No auxiliary output/0 - 5VDC retransmit
6
=
No auxiliary output/4 - 20mA retransmit
Communications
A
=
None
B
=
Isolated RS-423/RS-422
D
=
Isolated EIA-485
0
0
9 4
0
5 A
2
