Manual
Watlow Series 96 Wiring ■ 3.7
Output 4 Wiring
Figure 3.7a – AC Outputs
Electromechanical relay without contact suppression
96 _ _ - _ _ _ D - _ _ _ _
Form C, 2 amps, off-state impedance: 31MΩ
Figure 3.7b – Communications and Retransmit Option
EIA/TIA-232 EIA/TIA-485 Retransmit Option
96 _ _ - _ _ _ R - _ _ _ _ 96 _ _ - _ _ _ U - _ _ _ _ 96_ _ - _ _ _ M - _ _ _ _
10
2
3
4
5
6
7
11
12
16 17 18
19 20 21
9
10
2
3
4
5
6
7
11
12
16 17 18
19 20 21
9
EIA/TIA-232
DB-25 Pinout
2 transmit
3 receive
4 RTS
5 CTS
6 DSR
7 common
8 DCD
12 DTR
EIA/TIA-232
DB-9 Pinout
1 DCD
2 receive
3 transmit
4 DTR
5 common
6 DSR
7 RTS
8 CTS
10
8
1
2
3
4
5
6
7
13 14 15
11
12
16 17 18
19 20 21
9
19 20 21
V out COM. I out
10
8
1
2
3
4
5
6
7
13 14 15
11
12
16 17 18
19 20 21
9
19 20 21
T-/R- COM. T+/R+
10
8
1
2
3
4
5
6
7
13 14 15
11
12
16 17 18
19 20 21
9
19 20 21
T out COM. R in
10
8
1
2
3
4
5
6
7
13 14 15
11
12
16 17 18
19 20 21
9
External
Load
COM. N.C.
L2
L1
19 20 21
N.O.
customer-supplied
Quencharc
NOTE:
Switching inductive loads
(relay coils, solenoids,
etc.) with the mechanical
relay, switched dc or
solid-state relay output
options requires use of
an R.C. suppressor.
Watlow carries the R.C.
suppressor Quencharc
brand name, which is a
trademark of ITW
Paktron. Watlow Part No.
0804-0147-0000.
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WARNING:
To avoid damage to
property and equipment,
and/or injury of loss of
life, use National Electric
Code (NEC) standard
wiring practices to install
and operate the Series
96. Failure to do so could
result in injury or death.
V out: 1,000Ω minimum
load impedance.
I out: 800Ω maximum
load impedance.